<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _check_type(value, expected_type):
 """Perform type checking on the provided value This is a helper that will raise ``TypeError`` if the provided value is not an instance of the provided type. This method should be used sparingly but can be good for preventing problems earlier when you want to restrict duck typing to make the types of fields more obvious. If the value passed the type check it will be returned from the call. """

    if not isinstance(value, expected_type):
        raise TypeError("Value {value!r} has unexpected type {actual_type!r}, expected {expected_type!r}".format(
            value=value,
            expected_type=expected_type,
            actual_type=type(value),
        ))
    return value