pythonPackages.flake8-future-import: fix build on Python 3.10

pkgs/development/python-modules/flake8-future-import/default.nix

@@ -1,8 +1,10 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, pythonAtLeast
 , isPy27
+, isPy38
+, isPy39
+, pythonAtLeast
 , flake8
 , six
 , python
@@ -20,8 +22,10 @@ buildPythonPackage rec {
     sha256 = "00q8n15xdnvqj454arn7xxksyrzh0dw996kjyy7g9rdk0rf8x82z";
   };
 
-  patches = lib.optionals (pythonAtLeast "3.8") [
-    ./fix-annotations-version.patch
+  patches = lib.optionals (pythonAtLeast "3.10") [
+    ./fix-annotations-version-11.patch
+  ] ++ lib.optionals (isPy38 || isPy39) [
+    ./fix-annotations-version-10.patch
   ] ++ lib.optionals isPy27 [
     # Upstream disables this test case naturally on python 3, but it also fails
     # inside NixPkgs for python 2. Since it's going to be deleted, we just skip it

pkgs/development/python-modules/flake8-future-import/fix-annotations-version-11.patch

@@ -0,0 +1,13 @@
+diff --git a/flake8_future_import.py b/flake8_future_import.py
+index 92c3fda..27a1a66 100755
+--- a/flake8_future_import.py
++++ b/flake8_future_import.py
+@@ -76,7 +76,7 @@ UNICODE_LITERALS = Feature(4, 'unicode_literals', (2, 6, 0), (3, 0, 0))
+ GENERATOR_STOP = Feature(5, 'generator_stop', (3, 5, 0), (3, 7, 0))
+ NESTED_SCOPES = Feature(6, 'nested_scopes', (2, 1, 0), (2, 2, 0))
+ GENERATORS = Feature(7, 'generators', (2, 2, 0), (2, 3, 0))
+-ANNOTATIONS = Feature(8, 'annotations', (3, 7, 0), (4, 0, 0))
++ANNOTATIONS = Feature(8, 'annotations', (3, 7, 0), (3, 11, 0))
+ 
+ 
+ # Order important as it defines the error code