Implement suggestions

Lib/fontTools/misc/plistlib/__init__.py

@@ -11,7 +11,6 @@ from typing import (
     Optional,
     Sequence,
     Type,
-    TypeVar,
     Union,
     IO,
 )
@@ -78,7 +77,8 @@ def _date_from_string(s: str) -> datetime:
         if val is None:
             break
         lst.append(int(val))
-    return datetime(lst[0], lst[1], lst[2], lst[3], lst[4], lst[5])
+    # NOTE: mypy doesn't know that lst is 6 elements long.
+    return datetime(*lst)  # type:ignore
 
 
 def _date_to_string(d: datetime) -> str:
@@ -393,6 +393,7 @@ def _date_element(date: datetime, ctx: SimpleNamespace) -> etree.Element:
 
 def _data_element(data: bytes, ctx: SimpleNamespace) -> etree.Element:
     el = etree.Element("data")
+    # NOTE: mypy is confused about whether el.text should be str or bytes.
     el.text = _encode_base64(  # type: ignore
         data,
         maxlinelength=(76 if ctx.pretty_print else None),
@@ -577,7 +578,7 @@ def loads(
 
 def dump(
     value: PlistEncodable,
-    fp: IO[Any],
+    fp: IO[bytes],
     sort_keys: bool = True,
     skipkeys: bool = False,
     use_builtin_types: Optional[bool] = None,

dev-requirements.txt

@@ -2,4 +2,4 @@ pytest>=3.0
 tox>=2.5
 bump2version>=0.5.6
 sphinx>=1.5.5
-mypy
+mypy>=0.782

setup.py

@@ -452,7 +452,6 @@ setup_params = dict(
 	packages=find_packages("Lib"),
 	include_package_data=True,
 	data_files=find_data_files(),
-	zip_safe=False,  # So mypy can find typing information.
 	ext_modules=ext_modules,
 	setup_requires=setup_requires,
 	extras_require=extras_require,