diff --git a/greet.py b/greet.py
index d918bd6c..5f72dca2 100644
--- a/greet.py
+++ b/greet.py
@@ -18,7 +18,7 @@ def grad(n):
 def fancy_greet(version):
     from rich.console import Console
     from rich.text import Text
-    zc_msg = f'''
+    zc_msg = fr'''
 |||   . . _  _._|_     _. . . _ .__ _.. _.  . __.. _  __.  .
 |||  //\|/ |/_| |  == /  / \|/ |(  /_||/ |  | __||/ |/   \_|
 |||  \_/|  |\_  |.    \__\_/|  |_) \_ |   \/ |__||  |\__ _/
diff --git a/plugins/FilePack/FilePackPlugin.py b/plugins/FilePack/FilePackPlugin.py
index a095c6d4..1c931316 100644
--- a/plugins/FilePack/FilePackPlugin.py
+++ b/plugins/FilePack/FilePackPlugin.py
@@ -45,7 +45,7 @@ class UiRequestPlugin(object):
             file_obj = None
             path_parts = self.parsePath(path)
             file_path = "%s/%s/%s" % (config.data_dir, path_parts["address"], path_parts["inner_path"])
-            match = re.match("^(.*\.(?:tar.gz|zip))/(.*)", file_path)
+            match = re.match(r"^(.*\.(?:tar.gz|zip))/(.*)", file_path)
             archive_path, path_within = match.groups()
             if archive_path not in archive_cache:
                 site = self.server.site_manager.get(path_parts["address"])
@@ -99,7 +99,7 @@ class UiRequestPlugin(object):
 class SiteStoragePlugin(object):
     def isFile(self, inner_path):
         if ".zip/" in inner_path or ".tar.gz/" in inner_path:
-            match = re.match("^(.*\.(?:tar.gz|zip))/(.*)", inner_path)
+            match = re.match(r"^(.*\.(?:tar.gz|zip))/(.*)", inner_path)
             archive_inner_path, path_within = match.groups()
             return super(SiteStoragePlugin, self).isFile(archive_inner_path)
         else:
@@ -127,7 +127,7 @@ class SiteStoragePlugin(object):
 
     def walk(self, inner_path, *args, **kwags):
         if ".zip" in inner_path or ".tar.gz" in inner_path:
-            match = re.match("^(.*\.(?:tar.gz|zip))(.*)", inner_path)
+            match = re.match(r"^(.*\.(?:tar.gz|zip))(.*)", inner_path)
             archive_inner_path, path_within = match.groups()
             archive = self.openArchive(archive_inner_path)
             path_within = path_within.lstrip("/")
@@ -151,7 +151,7 @@ class SiteStoragePlugin(object):
 
     def list(self, inner_path, *args, **kwags):
         if ".zip" in inner_path or ".tar.gz" in inner_path:
-            match = re.match("^(.*\.(?:tar.gz|zip))(.*)", inner_path)
+            match = re.match(r"^(.*\.(?:tar.gz|zip))(.*)", inner_path)
             archive_inner_path, path_within = match.groups()
             archive = self.openArchive(archive_inner_path)
             path_within = path_within.lstrip("/")
@@ -178,7 +178,7 @@ class SiteStoragePlugin(object):
 
     def read(self, inner_path, mode="rb", **kwargs):
         if ".zip/" in inner_path or ".tar.gz/" in inner_path:
-            match = re.match("^(.*\.(?:tar.gz|zip))(.*)", inner_path)
+            match = re.match(r"^(.*\.(?:tar.gz|zip))(.*)", inner_path)
             archive_inner_path, path_within = match.groups()
             archive = self.openArchive(archive_inner_path)
             path_within = path_within.lstrip("/")
diff --git a/src/Crypt/ed25519.py b/src/Crypt/ed25519.py
index 7c0161dc..8bd4ab86 100644
--- a/src/Crypt/ed25519.py
+++ b/src/Crypt/ed25519.py
@@ -64,7 +64,7 @@ def pow2(x, p):
 
 
 def inv(z):
-    """$= z^{-1} \mod q$, for z != 0"""
+    r"""$= z^{-1} \mod q$, for z != 0"""
     # Adapted from curve25519_athlon.c in djb's Curve25519.
     z2 = z * z % q                                # 2
     z9 = pow2(z2, 2) * z % q                      # 9