


import inspect
import warnings
from typing import Any, Dict, Optional, Union

from packaging import version




def     UpperCamelCase    (      *_a       ,		_a = None       ,		_a=True       ,		_a=2		)					->							str:
     '''simple docstring'''





     from .. import __version__

     lowercase_       :Any     =       take_from
     lowercase_       :Optional[int]     =       ()
     if not isinstance(args[0]       ,		_a		):
          lowercase_       :Optional[int]     =       (args,)

     for attribute, version_name, message in args:
          if version.parse(version.parse(_a		).base_version		) >= version.parse(_a		):
               raise ValueError(
                   f"The deprecation tuple {(attribute, version_name, message)} should be removed since diffusers'"
                   f" version {__version__} is >= {version_name}"		)

          lowercase_       :Optional[int]     =       None
          if isinstance(_a       ,		_a		) and attribute in deprecated_kwargs:
               values += (deprecated_kwargs.pop(_a		),)
               lowercase_       :Union[str, Any]     =       f"The `{attribute}` argument is deprecated and will be removed in version {version_name}."
          elif hasattr(_a       ,		_a		):
               values += (getattr(_a       ,		_a		),)
               lowercase_       :Dict     =       f"The `{attribute}` attribute is deprecated and will be removed in version {version_name}."
          elif deprecated_kwargs is None:
               lowercase_       :List[str]     =       f"`{attribute}` is deprecated and will be removed in version {version_name}."

          if warning is not None:
               lowercase_       :int     =       warning + ''' ''' if standard_warn else ''''''
               warnings.warn(warning + message       ,		_a       ,		stacklevel=_a		)

     if isinstance(_a       ,		_a		) and len(_a		) > 0:
          lowercase_       :Any     =       inspect.getouterframes(inspect.currentframe()		)[1]
          lowercase_       :Dict     =       call_frame.filename
          lowercase_       :Optional[int]     =       call_frame.lineno
          lowercase_       :Union[str, Any]     =       call_frame.function
          lowercase_    ,      lowercase_       :Optional[Any]     =       next(iter(deprecated_kwargs.items()		)		)
          raise TypeError(f"{function} in {filename} line {line_number-1} got an unexpected keyword argument `{key}`"		)

     if len(_a		) == 0:
          return
     elif len(_a		) == 1:
          return values[0]
     return values





from torch import nn




def     UpperCamelCase    (      _a		)					->							str:
     '''simple docstring'''





     if act_fn in ["swish", "silu"]:
          return nn.SiLU()
     elif act_fn == "mish":
          return nn.Mish()
     elif act_fn == "gelu":
          return nn.GELU()
     else:
          raise ValueError(f"Unsupported activation function: {act_fn}"		)

