Fix order of environment setup and git module import

The environment setup must happen before the `git` module is imported,
otherwise GitPython won't be able to find the Git executable and raise
an exception that causes the ClusterFuzz fuzzer runs to fail.

fuzzing/fuzz-targets/fuzz_submodule.py

@@ -3,7 +3,6 @@
 import os
 import tempfile
 from configparser import ParsingError
-from git import Repo, GitCommandError, InvalidGitRepositoryError
 from utils import (
     setup_git_environment,
     handle_exception,
@@ -12,6 +11,7 @@
 
 # Setup the git environment
 setup_git_environment()
+from git import Repo, GitCommandError, InvalidGitRepositoryError
 
 
 def TestOneInput(data):

pyproject.toml

@@ -78,6 +78,10 @@ lint.unfixable = [
 "test/**" = [
     "B018",  # useless-expression
 ]
+"fuzzing/fuzz-targets/**" = [
+  "E402",  # environment setup must happen before the `git` module is imported, thus cannot happen at top of file
+]
+
 
 [tool.codespell]
 ignore-words-list="gud,doesnt"