Increase mypy strictness (no_implicit_optional & warn_redundant_casts) and fix errors

1 files changed, 1 insertions, 1 deletions

diff --git a/git/cmd.py b/git/cmd.py
index 7df85581..dd887a18 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -831,7 +831,7 @@ class Git(LazyMixin):
         except cmd_not_found_exception as err:
             raise GitCommandNotFound(redacted_command, err) from err
         else:
-            proc = cast(Popen, proc)
+            # replace with a typeguard for Popen[bytes]?
             proc.stdout = cast(BinaryIO, proc.stdout)
             proc.stderr = cast(BinaryIO, proc.stderr)