diff --git a/src/Test/TestContent.py b/src/Test/TestContent.py
index b163818c..687a18d4 100644
--- a/src/Test/TestContent.py
+++ b/src/Test/TestContent.py
@@ -40,6 +40,7 @@ class TestContent:
 
     def testInlcudeLimits(self, site, crypt_bitcoin_lib):
         # Data validation
+        res = []
         data_dict = {
             "files": {
                 "data.json": {
@@ -51,19 +52,21 @@ class TestContent:
         }
 
         # Normal data
-        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict), self.privatekey)}
-        data = io.StringIO(json.dumps(data_dict))
+        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)}
+        data_json = json.dumps(data_dict).encode()
+        data = io.BytesIO(data_json)
         assert site.content_manager.verifyFile("data/test_include/content.json", data, ignore_same=False)
+
         # Reset
         del data_dict["signs"]
 
         # Too large
         data_dict["files"]["data.json"]["size"] = 200000  # Emulate 2MB sized data.json
-        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict), self.privatekey)}
-        data = io.StringIO(json.dumps(data_dict))
+        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)}
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile("data/test_include/content.json", data, ignore_same=False)
-        assert "Include too large" in str(err)
+            assert "Include too large" in str(err)
 
         # Reset
         data_dict["files"]["data.json"]["size"] = 505
@@ -71,19 +74,19 @@ class TestContent:
 
         # Not allowed file
         data_dict["files"]["notallowed.exe"] = data_dict["files"]["data.json"]
-        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict), self.privatekey)}
-        data = io.StringIO(json.dumps(data_dict))
+        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)}
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile("data/test_include/content.json", data, ignore_same=False)
-        assert "File not allowed" in str(err)
+            assert "File not allowed" in str(err)
 
         # Reset
         del data_dict["files"]["notallowed.exe"]
         del data_dict["signs"]
 
         # Should work again
-        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict), self.privatekey)}
-        data = io.StringIO(json.dumps(data_dict))
+        data_dict["signs"] = {"1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)}
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile("data/test_include/content.json", data, ignore_same=False)
 
     @pytest.mark.parametrize("inner_path", ["content.json", "data/test_include/content.json", "data/users/content.json"])
@@ -166,7 +169,7 @@ class TestContent:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)
         }
-        data = io.StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(inner_path, data, ignore_same=False)
         assert "Wrong site address" in str(err)
@@ -178,7 +181,7 @@ class TestContent:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)
         }
-        data = io.StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(inner_path, data, ignore_same=False)
         assert "Wrong inner_path" in str(err)
@@ -190,7 +193,7 @@ class TestContent:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)
         }
-        data = io.StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile(inner_path, data, ignore_same=False)
 
     def testVerifyInnerPath(self, site, crypt_bitcoin_lib):
@@ -206,7 +209,7 @@ class TestContent:
             data_dict["signs"] = {
                 "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)
             }
-            data = io.StringIO(json.dumps(data_dict))
+            data = io.BytesIO(json.dumps(data_dict).encode())
             assert site.content_manager.verifyFile(inner_path, data, ignore_same=False)
 
         for bad_relative_path in ["../data.json", "data/" * 100, "invalid|file.jpg"]:
@@ -218,7 +221,7 @@ class TestContent:
             data_dict["signs"] = {
                 "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), self.privatekey)
             }
-            data = io.StringIO(json.dumps(data_dict))
+            data = io.BytesIO(json.dumps(data_dict).encode())
             with pytest.raises(VerifyError) as err:
                 site.content_manager.verifyFile(inner_path, data, ignore_same=False)
             assert "Invalid relative path" in str(err)
diff --git a/src/Test/TestContentUser.py b/src/Test/TestContentUser.py
index ff5ab76c..58b71df0 100644
--- a/src/Test/TestContentUser.py
+++ b/src/Test/TestContentUser.py
@@ -1,5 +1,5 @@
 import json
-from io import StringIO
+import io
 
 import pytest
 
@@ -91,7 +91,7 @@ class TestContentUser:
         data_dict = site.storage.loadJson(user_inner_path)
         users_content = site.content_manager.contents["data/users/content.json"]
 
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
 
         # Test error on 15k data.json
@@ -100,7 +100,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
         assert "Include too large" in str(err)
@@ -111,7 +111,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
 
     def testVerify(self, site):
@@ -120,7 +120,7 @@ class TestContentUser:
         data_dict = site.storage.loadJson(user_inner_path)
         users_content = site.content_manager.contents["data/users/content.json"]
 
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
 
         # Test max size exception by setting allowed to 0
@@ -131,7 +131,7 @@ class TestContentUser:
         users_content["user_contents"]["permission_rules"][".*"]["max_size"] = 0
         rules = site.content_manager.getRules(user_inner_path, data_dict)
         assert rules["max_size"] == 0
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
 
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
@@ -145,7 +145,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         assert site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
 
         # 100 MB gif = Not allowed
@@ -154,7 +154,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
         assert "Include optional files too large" in str(err)
@@ -166,7 +166,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
         assert "Optional file not allowed" in str(err)
@@ -178,7 +178,7 @@ class TestContentUser:
         data_dict["signs"] = {
             "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": CryptBitcoin.sign(json.dumps(data_dict, sort_keys=True), privatekey)
         }
-        data = StringIO(json.dumps(data_dict))
+        data = io.BytesIO(json.dumps(data_dict).encode())
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(user_inner_path, data, ignore_same=False)
         assert "Includes not allowed" in str(err)
@@ -227,7 +227,7 @@ class TestContentUser:
         # Test user cert
         assert site.content_manager.verifyFile(
             "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-            StringIO(json.dumps(signed_content)), ignore_same=False
+            io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
         )
 
         # Test banned user
@@ -236,7 +236,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Valid signs: 0/1" in str(err)
         del site.content_manager.contents["data/users/content.json"]["user_contents"]["permissions"][cert_user_id]  # Reset
@@ -251,7 +251,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Invalid cert" in str(err)
 
@@ -270,7 +270,7 @@ class TestContentUser:
         }
         assert site.content_manager.verifyFile(
             "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-            StringIO(json.dumps(user_content)), ignore_same=False
+            io.BytesIO(json.dumps(user_content).encode()), ignore_same=False
         )
 
     def testMissingCert(self, site):
@@ -297,7 +297,7 @@ class TestContentUser:
 
         assert site.content_manager.verifyFile(
             "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-            StringIO(json.dumps(signed_content)), ignore_same=False
+            io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
         )
 
         # Test invalid cert_user_id
@@ -311,7 +311,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Invalid domain in cert_user_id" in str(err)
 
@@ -328,7 +328,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Missing cert_user_id" in str(err)
 
@@ -355,7 +355,7 @@ class TestContentUser:
 
         assert site.content_manager.verifyFile(
             "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-            StringIO(json.dumps(signed_content)), ignore_same=False
+            io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
         )
 
         # Cert does not matches the pattern
@@ -364,7 +364,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Invalid cert signer: 14wgQ4VDDZNoRMFF4yCDuTrBSHmYhL3bet" in str(err)
 
@@ -374,7 +374,7 @@ class TestContentUser:
         with pytest.raises(VerifyError) as err:
             site.content_manager.verifyFile(
                 "data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json",
-                StringIO(json.dumps(signed_content)), ignore_same=False
+                io.BytesIO(json.dumps(signed_content).encode()), ignore_same=False
             )
         assert "Invalid cert signer: 14wgQ4VDDZNoRMFF4yCDuTrBSHmYhL3bet" in str(err)
 
diff --git a/src/Test/TestDb.py b/src/Test/TestDb.py
index 10777f2f..dda2ca20 100644
--- a/src/Test/TestDb.py
+++ b/src/Test/TestDb.py
@@ -103,14 +103,14 @@ class TestDb:
 
 
     def testUpdateJson(self, db):
-        f = io.StringIO()
+        f = io.BytesIO()
         f.write("""
             {
                 "test": [
                     {"test_id": 1, "title": "Test 1 title", "extra col": "Ignore it"}
                 ]
             }
-        """)
+        """.encode())
         f.seek(0)
         assert db.updateJson(db.db_dir + "data.json", f) is True
         assert db.execute("SELECT COUNT(*) AS num FROM test_importfilter").fetchone()["num"] == 1
@@ -129,4 +129,4 @@ class TestDb:
         f.seek(0)
         assert db.updateJson(db.db_dir + "data.json", f) is False
         assert db.execute("SELECT COUNT(*) AS num FROM test_importfilter").fetchone()["num"] == 0
-        assert db.execute("SELECT COUNT(*) AS num FROM test").fetchone()["num"] == 0
\ No newline at end of file
+        assert db.execute("SELECT COUNT(*) AS num FROM test").fetchone()["num"] == 0
diff --git a/src/Test/TestMsgpack.py b/src/Test/TestMsgpack.py
index 926c57ef..5a0b6d4d 100644
--- a/src/Test/TestMsgpack.py
+++ b/src/Test/TestMsgpack.py
@@ -6,14 +6,17 @@ import pytest
 
 from Config import config
 from util import Msgpack
+from collections import OrderedDict
 
 
 class TestMsgpack:
-    test_data = {"cmd": "fileGet", "params": {"site": "1Site"}, "utf8": b'\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91'.decode("utf8"), "bin": b'p\x81zDhL\xf0O\xd0\xaf', "list": [b'p\x81zDhL\xf0O\xd0\xaf', b'p\x81zDhL\xf0O\xd0\xaf']}
+    test_data = OrderedDict(
+        sorted({"cmd": "fileGet", "bin": b'p\x81zDhL\xf0O\xd0\xaf', "params": {"site": "1Site"}, "utf8": b'\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91'.decode("utf8"), "list": [b'p\x81zDhL\xf0O\xd0\xaf', b'p\x81zDhL\xf0O\xd0\xaf']}.items())
+    )
 
     def testPacking(self):
-        assert Msgpack.pack(self.test_data) == b'\x85\xa3cmd\xa7fileGet\xa6params\x81\xa4site\xa51Site\xa4utf8\xad\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91\xa3bin\xc4\np\x81zDhL\xf0O\xd0\xaf\xa4list\x92\xc4\np\x81zDhL\xf0O\xd0\xaf\xc4\np\x81zDhL\xf0O\xd0\xaf'
-        assert Msgpack.pack(self.test_data, use_bin_type=False) == b'\x85\xa3cmd\xa7fileGet\xa6params\x81\xa4site\xa51Site\xa4utf8\xad\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91\xa3bin\xaap\x81zDhL\xf0O\xd0\xaf\xa4list\x92\xaap\x81zDhL\xf0O\xd0\xaf\xaap\x81zDhL\xf0O\xd0\xaf'
+        assert Msgpack.pack(self.test_data) == b'\x85\xa3bin\xc4\np\x81zDhL\xf0O\xd0\xaf\xa3cmd\xa7fileGet\xa4list\x92\xc4\np\x81zDhL\xf0O\xd0\xaf\xc4\np\x81zDhL\xf0O\xd0\xaf\xa6params\x81\xa4site\xa51Site\xa4utf8\xad\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91'
+        assert Msgpack.pack(self.test_data, use_bin_type=False) == b'\x85\xa3bin\xaap\x81zDhL\xf0O\xd0\xaf\xa3cmd\xa7fileGet\xa4list\x92\xaap\x81zDhL\xf0O\xd0\xaf\xaap\x81zDhL\xf0O\xd0\xaf\xa6params\x81\xa4site\xa51Site\xa4utf8\xad\xc3\xa1rv\xc3\xadzt\xc5\xb1r\xc5\x91'
 
     def testUnpackinkg(self):
         assert Msgpack.unpack(Msgpack.pack(self.test_data)) == self.test_data