Minors changes to insure Python 3.7 compatibility

Octal numbers: 05 => 0o5
Print as function calls

Author: BastienTr

commpy/channelcoding/convcode.py

@@ -76,7 +76,7 @@ class Trellis:
     >>> from numpy import array
     >>> import commpy.channelcoding.convcode as cc
     >>> memory = array([2])
-    >>> g_matrix = array([[05, 07]]) # G(D) = [1+D^2, 1+D+D^2]
+    >>> g_matrix = array([[0o5, 0o7]]) # G(D) = [1+D^2, 1+D+D^2]
     >>> trellis = cc.Trellis(memory, g_matrix)
     >>> print trellis.k
     1

commpy/examples/conv_encode_decode.py

@@ -11,8 +11,8 @@
 # =============================================================================
 
 # G(D) corresponding to the convolutional encoder
-generator_matrix = np.array([[05, 07]])
-#generator_matrix = np.array([[03, 00, 02], [07, 04, 06]])
+generator_matrix = np.array([[0o5, 0o7]])
+#generator_matrix = np.array([[0o3, 0o0, 0o2], [0o7, 0o4, 0o6]])
 
 # Number of delay elements in the convolutional encoder
 M = np.array([2])
@@ -41,17 +41,17 @@
     #num_bit_errors = 1
 
     if num_bit_errors !=0:
-        #print num_bit_errors, "Bit Errors found!"
-        #print message_bits
-        #print decoded_bits[tb_depth+3:]
-        #print decoded_bits
+        #print(num_bit_errors, "Bit Errors found!")
+        #print(message_bits)
+        #print(decoded_bits[tb_depth+3:])
+        #print(decoded_bits)
         break
     else:
-        print "No Bit Errors :)"
-
-#print "==== Message Bits ==="
-#print message_bits
-#print "==== Coded Bits ====="
-#print coded_bits
-#print "==== Decoded Bits ==="
-#print decoded_bits[tb_depth:]
+        print("No Bit Errors :)")
+
+#print("==== Message Bits ===")
+#print(message_bits)
+#print("==== Coded Bits =====")
+#print(coded_bits)
+#print("==== Decoded Bits ===")
+#print(decoded_bits[tb_depth:])