rename annotation to signature

Author: KsanaKozlova

numba_typing/tests/test_type_annotations.py

@@ -108,9 +108,7 @@ def test_add_vals_to_signature(self):
                      {'a': Dict[str, str], 'b': int}]
         vals = {'a': {'name': 3}, 'b': 3}
 
-        Annotations = namedtuple('Annotations', ['parameters', 'defaults'])
-
-        expected = Annotations(parameters=[{'a': Dict[float, int], 'b': int},
+        expected = type_annotations.Signature(parameters=[{'a': Dict[float, int], 'b': int},
                                            {'a': Dict[str, int], 'b': int},
                                            {'a': Dict[float, str], 'b': int},
                                            {'a': Dict[str, str], 'b': int}],
@@ -179,9 +177,7 @@ def test_product_annotations(self):
         annotations = ({'a': [T], 'b': [Dict[T, S]],
                         'c': [T, bool], 'd': [int]}, {'d': 3})
 
-        Annotations = namedtuple('Annotations', ['parameters', 'defaults'])
-
-        expected = Annotations(parameters=[{'a': int, 'b': Dict[int, float], 'c': int, 'd': int},
+        expected = type_annotations.Signature(parameters=[{'a': int, 'b': Dict[int, float], 'c': int, 'd': int},
                                            {'a': str, 'b': Dict[str, float], 'c': str, 'd': int},
                                            {'a': int, 'b': Dict[int, bool], 'c': int, 'd': int},
                                            {'a': str, 'b': Dict[str, bool], 'c': str, 'd': int},

numba_typing/type_annotations.py

@@ -4,6 +4,7 @@
 from copy import deepcopy
 from collections import namedtuple
 
+Signature = namedtuple('Signature', ['parameters', 'defaults'])
 
 def get_func_annotations(func):
     """Get annotations and default values of the fuction parameters."""
@@ -53,12 +54,10 @@ def product_annotations(annotations):
     return add_vals_to_signature(signature, vals)
 
 
-def add_vals_to_signature(signature, vals):
+def add_vals_to_signature(sign, vals):
     '''Add default values ​​to all signatures'''
-    Annotations = namedtuple('Annotations', ['parameters', 'defaults'])
-    annotations = Annotations(signature, vals)
-
-    return annotations
+    signature = Signature(sign, vals)
+    return signature
 
 
 def convert_to_sig_list(types):