Extract all "import gc" to module level

git/objects/submodule/base.py

@@ -1,6 +1,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 from io import BytesIO
 import logging
 import os
@@ -1079,8 +1080,6 @@ def remove(
                     self._clear_cache()
                     wtd = mod.working_tree_dir
                     del mod  # Release file-handles (Windows).
-                    import gc
-
                     gc.collect()
                     rmtree(str(wtd))
                 # END delete tree if possible

test/performance/test_commit.py

@@ -5,6 +5,7 @@
 
 """Performance tests for commits (iteration, traversal, and serialization)."""
 
+import gc
 from io import BytesIO
 from time import time
 import sys
@@ -17,8 +18,6 @@
 
 class TestPerformance(TestBigRepoRW, TestCommitSerialization):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     # ref with about 100 commits in its history.

test/performance/test_streams.py

@@ -3,6 +3,7 @@
 
 """Performance tests for data streaming."""
 
+import gc
 import os
 import subprocess
 import sys
@@ -92,8 +93,6 @@ def test_large_data_streaming(self, rwrepo):
 
             # del db file so git has something to do.
             ostream = None
-            import gc
-
             gc.collect()
             os.remove(db_file)
 

test/test_base.py

@@ -3,6 +3,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 import os
 import sys
 import tempfile
@@ -20,8 +21,6 @@
 
 class TestBase(_TestBase):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     type_tuples = (

test/test_docs.py

@@ -3,6 +3,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 import os
 import sys
 
@@ -16,8 +17,6 @@
 
 class Tutorials(TestBase):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     # ACTUALLY skipped by git.util.rmtree (in local onerror function), from the last call to it via

test/test_git.py

@@ -3,6 +3,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 import inspect
 import logging
 import os
@@ -34,8 +35,6 @@ def setUpClass(cls):
         cls.git = Git(cls.rorepo.working_dir)
 
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     def _assert_logged_for_popen(self, log_watcher, name, value):

test/test_quick_doc.py

@@ -1,14 +1,14 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
+
 from test.lib import TestBase
 from test.lib.helper import with_rw_directory
 
 
 class QuickDoc(TestBase):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     @with_rw_directory

test/test_remote.py

@@ -3,6 +3,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 import os
 import os.path as osp
 from pathlib import Path
@@ -105,8 +106,6 @@ def assert_received_message(self):
 
 class TestRemote(TestBase):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     def _print_fetchhead(self, repo):

test/test_repo.py

@@ -3,6 +3,7 @@
 # This module is part of GitPython and is released under the
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
+import gc
 import glob
 import io
 from io import BytesIO
@@ -72,8 +73,6 @@ def tearDown(self):
             if osp.isfile(lfp):
                 raise AssertionError("Previous TC left hanging git-lock file: {}".format(lfp))
 
-        import gc
-
         gc.collect()
 
     def test_new_should_raise_on_invalid_repo_location(self):

test/test_submodule.py

@@ -2,6 +2,7 @@
 # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
 
 import contextlib
+import gc
 import os
 import os.path as osp
 from pathlib import Path
@@ -61,8 +62,6 @@ def update(self, op, cur_count, max_count, message=""):
 
 class TestSubmodule(TestBase):
     def tearDown(self):
-        import gc
-
         gc.collect()
 
     k_subm_current = "c15a6e1923a14bc760851913858a3942a4193cdb"