Replace code made for Python <= 3.7.

pyproject.toml

@@ -32,7 +32,7 @@ select = [
     "TCH",  # flake8-type-checking
     "PGH",  # pygrep-hooks
     "PL",   # Pylint
-    # TODO: "UP",  # pyupgrade
+    "UP",   # pyupgrade
     # TODO: "B",   # flake8-bugbear
     # TODO: "C4",  # flake8-comprehensions
     # TODO: "EM",  # flake8-errmsg

src/kerko/extractors.py

@@ -754,4 +754,4 @@ class SortDateExtractor(Extractor):
     def extract(self, item, library_context, spec):
         parsed_date = item.get("meta", {}).get("parsedDate", "")
         year, month, day = parse_partial_date(parsed_date)
-        return int("{:04d}{:02d}{:02d}".format(year, month, day))
+        return int(f"{year:04d}{month:02d}{day:02d}")

src/kerko/storage.py

@@ -23,7 +23,7 @@ def load_object(storage, key, default=None):
     try:
         with open(get_storage_dir(storage) / f"{key}.pickle", "rb") as f:
             return pickle.load(f)
-    except IOError:
+    except OSError:
         return default
 
 

tests/integration_testing/__init__.py

@@ -6,7 +6,6 @@
 
 import pathlib
 import re
-import sys
 import tempfile
 import unittest
 
@@ -181,9 +180,8 @@ def setUpClass(cls):
 
         cls.add_responses()
 
-        if sys.version_info[:2] > (3, 7):
-            cls.addClassCleanup(cls.responses.stop)
-            cls.addClassCleanup(cls.responses.reset)
+        cls.addClassCleanup(cls.responses.stop)
+        cls.addClassCleanup(cls.responses.reset)
 
         # Make sure the data directory is empty before synchronizing.
         delete_storage("cache")
@@ -193,10 +191,6 @@ def setUpClass(cls):
     def tearDownClass(cls):
         cls.temp_dir.cleanup()
 
-        if sys.version_info[:2] <= (3, 7):
-            cls.responses.stop()
-            cls.responses.reset()
-
 
 class PopulatedLibraryTestCase(MockLibraryTestCase):
     """Test case providing mock Zotero API responses for a populated library."""