Fix failing tests, return values from an integer tensor are integers, not strings

Author: lantiga

test/basic_tests.py

@@ -55,7 +55,7 @@ def test_set_tensor(env):
     con.execute_command('AI.TENSORSET', 'x', 'INT32', 2, 'VALUES', 2, 3)
     tensor = con.execute_command('AI.TENSORGET', 'x', 'VALUES')
     values = tensor[-1]
-    env.assertEqual(values, [b'2', b'3'])
+    env.assertEqual(values, [2, 3])
 
 def test_set_tensor_multiproc(env):
     run_test_multiproc(env, 10,