Fix a myriad of linter issues

* Use `with` in place of plain `open`
* Use f-strings in place of `str.format()`
* Remove string interpolation from queries - provide data as query parameters
* other minor fixes

1 files changed, 2 insertions, 3 deletions

diff --git a/gn3/fs_helpers.py b/gn3/fs_helpers.py
index 73f6567..e2f7ee2 100644
--- a/gn3/fs_helpers.py
+++ b/gn3/fs_helpers.py
@@ -71,9 +71,8 @@ contents to TARGET_DIR/<dir-hash>.
             os.mkdir(os.path.join(target_dir, token))
         gzipped_file.save(tar_target_loc)
         # Extract to "tar_target_loc/token"
-        tar = tarfile.open(tar_target_loc)
-        tar.extractall(path=os.path.join(target_dir, token))
-        tar.close()
+        with tarfile.open(tar_target_loc) as tar:
+            tar.extractall(path=os.path.join(target_dir, token))
     # pylint: disable=W0703
     except Exception:
         return {"status": 128, "error": "gzip failed to unpack file"}