fix pep8 remarks

Author: KsanaKozlova

numba_typing/arguments_annotation_default_func_class.py

@@ -5,22 +5,20 @@
 def get_arguments_annotation_default_func(method):
     sig = signature(method)
     argspec = getfullargspec(method)
-    arg_index=0
+    arg_index = 0
     annotations = {}
     defaults = {}
 
     for arg in argspec.args:
         if (sig.parameters[arg].annotation == sig.empty):
             raise SyntaxError
         else:
-            annotations[arg] =  sig.parameters[arg].annotation
+            annotations[arg] = sig.parameters[arg].annotation
     for arg in argspec.args:
         if (sig.parameters[arg].default != sig.empty):
-            defaults[arg] =  sig.parameters[arg].default
+            defaults[arg] = sig.parameters[arg].default
 
     return annotations, defaults
-
 
 def get_arguments_annotation_class(cls):
-    return get_type_hints(cls)
-
+    return get_type_hints(cls)