Pull type definitions used for Generic[SubmobjectType] outside of if …

…TYPE_CHECKING block

manimlib/mobject/mobject.py

@@ -46,9 +46,12 @@
 from manimlib.utils.space_ops import rotation_matrix_transpose
 
 from typing import TYPE_CHECKING
+from typing import TypeVar, Generic
+SubmobjectType = TypeVar('SubmobjectType', bound='Mobject')
+
 
 if TYPE_CHECKING:
-    from typing import Callable, Iterable, Iterator, Union, Tuple, Optional, TypeVar, Generic, List
+    from typing import Callable, Iterable, Iterator, Union, Tuple, Optional
     import numpy.typing as npt
     from manimlib.typing import ManimColor, Vect3, Vect4, Vect3Array, UniformDict, Self
     from moderngl.context import Context
@@ -57,7 +60,6 @@
     TimeBasedUpdater = Callable[["Mobject", float], "Mobject" | None]
     NonTimeUpdater = Callable[["Mobject"], "Mobject" | None]
     Updater = Union[TimeBasedUpdater, NonTimeUpdater]
-    SubmobjectType = TypeVar('SubmobjectType', bound='Mobject')
 
 
 class Mobject(object):

manimlib/mobject/types/vectorized_mobject.py

@@ -40,20 +40,20 @@
 from manimlib.utils.space_ops import get_unit_normal
 from manimlib.utils.space_ops import line_intersects_path
 from manimlib.utils.space_ops import midpoint
-from manimlib.utils.space_ops import normalize_along_axis
 from manimlib.utils.space_ops import rotation_between_vectors
 from manimlib.utils.space_ops import poly_line_length
 from manimlib.utils.space_ops import z_to_vector
 from manimlib.shader_wrapper import ShaderWrapper
 from manimlib.shader_wrapper import FillShaderWrapper
 
 from typing import TYPE_CHECKING
+from typing import Generic, TypeVar
+SubVmobjectType = TypeVar('SubVmobjectType', bound='VMobject')
 
 if TYPE_CHECKING:
-    from typing import Callable, Iterable, Tuple, Any, Generic, TypeVar
+    from typing import Callable, Iterable, Tuple, Any
     from manimlib.typing import ManimColor, Vect3, Vect4, Vect3Array, Vect4Array, Self
     from moderngl.context import Context
-    SubVmobjectType = TypeVar('SubVmobjectType', bound='VMobject')
 
 DEFAULT_STROKE_COLOR = GREY_A
 DEFAULT_FILL_COLOR = GREY_C