TYP: add __all__ to all stubfiles

Author: tacaswell

lib/matplotlib/stackplot.pyi

@@ -16,3 +16,5 @@ def stackplot(
     baseline: Literal["zero", "sym", "wiggle", "weighted_wiggle"] = ...,
     **kwargs
 ) -> list[PolyCollection]: ...
+
+__all__ = ['stackplot']

lib/matplotlib/streamplot.pyi

@@ -82,3 +82,5 @@ class StreamMask:
 class InvalidIndexError(Exception): ...
 class TerminateTrajectory(Exception): ...
 class OutOfBounds(IndexError): ...
+
+__all__ = ['streamplot']

lib/matplotlib/style/core.pyi

@@ -17,3 +17,5 @@ library: dict[str, RcParams]
 available: list[str]
 
 def reload_library() -> None: ...
+
+__all__ = ['use', 'context', 'available', 'library', 'reload_library']

lib/matplotlib/ticker.pyi

@@ -295,3 +295,14 @@ class AutoLocator(MaxNLocator):
 class AutoMinorLocator(Locator):
     ndivs: int
     def __init__(self, n: int | None = ...) -> None: ...
+
+__all__ = ('TickHelper', 'Formatter', 'FixedFormatter',
+           'NullFormatter', 'FuncFormatter', 'FormatStrFormatter',
+           'StrMethodFormatter', 'ScalarFormatter', 'LogFormatter',
+           'LogFormatterExponent', 'LogFormatterMathtext',
+           'LogFormatterSciNotation',
+           'LogitFormatter', 'EngFormatter', 'PercentFormatter',
+           'Locator', 'IndexLocator', 'FixedLocator', 'NullLocator',
+           'LinearLocator', 'LogLocator', 'AutoLocator',
+           'MultipleLocator', 'MaxNLocator', 'AutoMinorLocator',
+           'SymmetricalLogLocator', 'AsinhLocator', 'LogitLocator')

lib/matplotlib/tri/_triinterpolate.pyi

@@ -28,3 +28,5 @@ class CubicTriInterpolator(TriInterpolator):
         trifinder: TriFinder | None = ...,
         dz: tuple[ArrayLike, ArrayLike] | None = ...,
     ) -> None: ...
+
+__all__ = ('TriInterpolator', 'LinearTriInterpolator', 'CubicTriInterpolator')