"""
This type stub file was generated by pyright.
"""

"""Utility functions for finding modules

Utility functions for finding modules on sys.path.

"""
def find_mod(module_name): # -> None:
    """
    Find module `module_name` on sys.path, and return the path to module `module_name`.

      - If `module_name` refers to a module directory, then return path to __init__ file.
        - If `module_name` is a directory without an __init__file, return None.
      - If module is missing or does not have a `.py` or `.pyw` extension, return None.
        - Note that we are not interested in running bytecode.
      - Otherwise, return the fill path of the module.

    Parameters
    ----------
    module_name : str

    Returns
    -------
    module_path : str
        Path to module `module_name`, its __init__.py, or None,
        depending on above conditions.
    """
    ...