diff --git a/pkgs/development/python-modules/python_mimeparse/default.nix b/pkgs/development/python-modules/python-mimeparse/default.nix
similarity index 93%
rename from pkgs/development/python-modules/python_mimeparse/default.nix
rename to pkgs/development/python-modules/python-mimeparse/default.nix
index 0f713bd21391..ccc8dc78f442 100644
--- a/pkgs/development/python-modules/python_mimeparse/default.nix
+++ b/pkgs/development/python-modules/python-mimeparse/default.nix
@@ -19,6 +19,6 @@ buildPythonPackage rec {
     description = "A module provides basic functions for parsing mime-type names and matching them against a list of media-ranges";
     homepage = "https://github.com/dbtsai/python-mimeparse";
     license = licenses.mit;
+    maintainers = with maintainers; [ ];
   };
-
 }
diff --git a/pkgs/development/python-modules/testtools/default.nix b/pkgs/development/python-modules/testtools/default.nix
index a07117a1e46d..e2dfdcbe3ece 100644
--- a/pkgs/development/python-modules/testtools/default.nix
+++ b/pkgs/development/python-modules/testtools/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , pbr
-, python_mimeparse
+, python-mimeparse
 , extras
 , unittest2
 , traceback2
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     sha256 = "57c13433d94f9ffde3be6534177d10fb0c1507cc499319128958ca91a65cb23f";
   };
 
-  propagatedBuildInputs = [ pbr python_mimeparse extras unittest2 ];
+  propagatedBuildInputs = [ pbr python-mimeparse extras unittest2 ];
   buildInputs = [ traceback2 ];
 
   # testscenarios has a circular dependency on testtools
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 43d8c3ef8a95..bc22aea5f33a 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -72,6 +72,7 @@ mapAliases ({
   pytestquickcheck = pytest-quickcheck; # added 2021-07-20
   pytestrunner = pytest-runner; # added 2021-01-04
   python-lz4 = lz4; # added 2018-06-01
+  python_mimeparse = python-mimeparse; # added 2021-10-31
   python-subunit = subunit; # added 2021-09-10
   pytest_xdist = pytest-xdist; # added 2021-01-04
   python_simple_hipchat = python-simple-hipchat; # added 2021-07-21
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 702d88725fff..7894e6bb48e8 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7509,7 +7509,7 @@ in {
 
   python-miio = callPackage ../development/python-modules/python-miio { };
 
-  python_mimeparse = callPackage ../development/python-modules/python_mimeparse { };
+  python-mimeparse = callPackage ../development/python-modules/python-mimeparse { };
 
   python-mnist = callPackage ../development/python-modules/python-mnist { };