Add missing third party modules (#8321)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: hauntsaninja <>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

stubs/pytz/pytz/lazy.pyi

@@ -0,0 +1,16 @@
+from _typeshed import Incomplete
+from collections.abc import Mapping as DictMixin
+
+class LazyDict(DictMixin[Incomplete, Incomplete]):
+    data: Incomplete
+    def __getitem__(self, key): ...
+    def __contains__(self, key): ...
+    def __iter__(self): ...
+    def __len__(self): ...
+    def keys(self): ...
+
+class LazyList(list[Incomplete]):
+    def __new__(cls, fill_iter: Incomplete | None = ...): ...
+
+class LazySet(set[Incomplete]):
+    def __new__(cls, fill_iter: Incomplete | None = ...): ...

stubs/pytz/pytz/reference.pyi

@@ -0,0 +1,34 @@
+import datetime
+from _typeshed import Incomplete
+from datetime import tzinfo
+
+from pytz import UTC as UTC
+
+class FixedOffset(tzinfo):
+    def __init__(self, offset, name) -> None: ...
+    def utcoffset(self, dt): ...
+    def tzname(self, dt): ...
+    def dst(self, dt): ...
+
+STDOFFSET: datetime.timedelta
+DSTOFFSET: datetime.timedelta
+
+class LocalTimezone(tzinfo):
+    def utcoffset(self, dt): ...
+    def dst(self, dt): ...
+    def tzname(self, dt): ...
+
+class USTimeZone(tzinfo):
+    stdoffset: Incomplete
+    reprname: Incomplete
+    stdname: Incomplete
+    dstname: Incomplete
+    def __init__(self, hours, reprname, stdname, dstname) -> None: ...
+    def tzname(self, dt): ...
+    def utcoffset(self, dt): ...
+    def dst(self, dt): ...
+
+Eastern: USTimeZone
+Central: USTimeZone
+Mountain: USTimeZone
+Pacific: USTimeZone

stubs/pytz/pytz/tzfile.pyi

@@ -0,0 +1 @@
+def build_tzinfo(zone, fp): ...