[Py] change python loger names from __file__ to __name__ (#1260)

* Update input_validation.py

* Update runtime.py

* Update types.py

* Update broadcasting.py

python/ngraph/runtime.py

@@ -26,7 +26,7 @@ from ngraph.impl.op import Parameter
 from ngraph.utils.types import get_dtype, NumericData
 from ngraph.exceptions import UserInputError
 
-log = logging.getLogger(__file__)
+log = logging.getLogger(__name__)
 
 
 def runtime(backend_name='CPU'):  # type: (str) -> 'Runtime'

python/ngraph/utils/broadcasting.py

@@ -21,7 +21,7 @@ import ngraph as ng
 from ngraph.impl import Node, AxisSet
 from ngraph.utils.types import TensorShape, get_dtype, make_constant_node, NodeInput
 
-log = logging.getLogger(__file__)
+log = logging.getLogger(__name__)
 
 
 def get_broadcast_axes(output_shape, input_shape, axis=None):

python/ngraph/utils/input_validation.py

@@ -21,7 +21,7 @@ from typing import Iterable
 
 from ngraph.exceptions import UserInputError
 
-log = logging.getLogger(__file__)
+log = logging.getLogger(__name__)
 
 
 def assert_list_of_ints(value_list, message):  # type: (Iterable[int], str) -> None

python/ngraph/utils/types.py

@@ -27,7 +27,7 @@ from ngraph.impl.op import Constant
 from ngraph.exceptions import NgraphTypeError
 
 
-log = logging.getLogger(__file__)
+log = logging.getLogger(__name__)
 
 TensorShape = List[int]
 NumericData = Union[int, float, np.ndarray]