Fix to support numpy ints in dec2bitarray

Author: eSoares

commpy/utilities.py

@@ -47,7 +47,7 @@ def dec2bitarray(in_number, bit_width):
 
     """
 
-    if type(in_number) == int:
+    if isinstance(in_number, np.int):
         return decimal2bitarray(in_number, bit_width)
     result = np.zeros(bit_width * len(in_number), 'int')
     for pox, number in enumerate(in_number):