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..9197d3f0d54c 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -40,7 +40,7 @@ mapAliases ({
   ConfigArgParse = configargparse; # added 2021-03-18
   dateutil = python-dateutil; # added 2021-07-03
   detox = throw "detox is no longer maintained, and was broken since may 2019"; # added 2020-07-04
-  dftfit = throw "it's dependency lammps-cython no longer builds"; # added 2021-07-04
+  dftfit = throw "dftfit dependency lammps-cython no longer builds"; # added 2021-07-04
   diff_cover = diff-cover; # added 2021-07-02
   discogs_client = discogs-client; # added 2021-07-02
   djangorestframework-jwt = drf-jwt; # added 2021-07-20
@@ -55,12 +55,12 @@ mapAliases ({
   HAP-python = hap-python; # added 2021-06-01
   IMAPClient = imapclient; # added 2021-10-28
   jupyter_client = jupyter-client; # added 2021-10-15
-  lammps-cython = throw "no longer builds and is unmaintained";
+  lammps-cython = throw "lammps-cython no longer builds and is unmaintained"; # added 2021-07-04
   MechanicalSoup = mechanicalsoup; # added 2021-06-01
   pam = python-pam; # added 2020-09-07.
   PasteDeploy = pastedeploy; # added 2021-10-07
   powerlineMemSegment = powerline-mem-segment; # added 2021-10-08
-  privacyidea = throw "renamed to pkgs.privacyidea"; # added 2021-06-20
+  privacyidea = throw "privacyidea has been renamed to pkgs.privacyidea"; # added 2021-06-20
   prometheus_client = prometheus-client; # added 2021-06-10
   prompt_toolkit = prompt-toolkit; # added 2021-07-22
   pylibgen = throw "pylibgen is unmaintained upstreamed, and removed from nixpkgs"; # added 2020-06-20
@@ -72,12 +72,13 @@ 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
   qasm2image = throw "qasm2image is no longer maintained (since November 2018), and is not compatible with the latest pythonPackages.qiskit versions."; # added 2020-12-09
   requests_toolbelt = requests-toolbelt; # added 2017-09-26
-  rotate-backups = throw "pythonPackages.rotate-backups was removed in favor of the top-level rotate-backups"; # added 2021-07-01
+  rotate-backups = throw "rotate-backups was removed in favor of the top-level rotate-backups"; # added 2021-07-01
   scikitlearn = scikit-learn; # added 2021-07-21
   selectors34 = throw "selectors34 has been removed: functionality provided by Python itself; archived by upstream."; # added 2021-06-10
   setuptools_scm = setuptools-scm; # added 2021-06-03
@@ -85,8 +86,8 @@ mapAliases ({
   smmap2 = throw "smmap2 has been deprecated, use smmap instead."; # added 2020-03-14
   sphinxcontrib_plantuml = sphinxcontrib-plantuml; # added 2021-08-02
   sqlalchemy_migrate = sqlalchemy-migrate; # added 2021-10-28
-  topydo = throw "python3Packages.topydo was moved to topydo"; # added 2017-09-22
-  tvnamer = throw "python3Packages.tvnamer was moved to tvnamer"; # added 2021-07-05
+  topydo = throw "topydo was moved to pkgs.topydo"; # added 2017-09-22
+  tvnamer = throw "tvnamer was moved to pkgs.tvnamer"; # added 2021-07-05
   WazeRouteCalculator = wazeroutecalculator; # added 2021-09-29
   websocket_client = websocket-client; # added 2021-06-15
   zc-buildout221 = zc-buildout; # 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 { };