Travis CI: Don’t allow bare exceptions (#1734)

* Travis CI: Don’t allow bare exceptions

* fixup! Format Python code with psf/black push

* except IOError:

* except IOError:

* Update hamming_code.py

* IndexError

* Get rid of the nonsense logic

Co-authored-by: John Law <johnlaw.po@gmail.com>

linear_algebra/src/test_linear_algebra.py

@@ -19,11 +19,7 @@ class Test(unittest.TestCase):
         x = Vector([1, 2, 3])
         self.assertEqual(x.component(0), 1)
         self.assertEqual(x.component(2), 3)
-        try:
-            y = Vector()
-            self.assertTrue(False)
-        except:
-            self.assertTrue(True)
+        y = Vector()
 
     def test_str(self):
         """