chore: drop python 3.7 support (#284)

src/dbus_fast/_private/marshaller.py

@@ -1,5 +1,5 @@
 from struct import Struct, error
-from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, Union
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
 
 from ..signature import SignatureType, Variant, get_signature_tree
 

src/dbus_fast/_private/unmarshaller.py

@@ -513,10 +513,8 @@ class Unmarshaller:
             -self._pos & (UINT32_SIZE - 1)
         ) + UINT32_SIZE  # align for the uint32
         if self._is_native and cython.compiled:
-            array_length = (
-                _cast_uint32_native(  # type: ignore[name-defined] # pragma: no cover
-                    self._buf, self._pos - UINT32_SIZE
-                )
+            array_length = _cast_uint32_native(  # type: ignore[name-defined] # pragma: no cover
+                self._buf, self._pos - UINT32_SIZE
             )
         else:
             array_length = self._uint32_unpack(self._buf, self._pos - UINT32_SIZE)[0]  # type: ignore[misc]

src/dbus_fast/aio/message_reader.py

@@ -21,7 +21,7 @@ def _message_reader(
                 return
             try:
                 process(message)
-            except Exception as e:
+            except Exception:
                 logging.error("Unexpected error processing message: %s", exc_info=True)
             # If we are not negotiating unix fds, we can stop reading as soon as we have
             # the buffer is empty as asyncio will call us again when there is more data.