wbexception: remove unused status in WbException, set default error for

any uncaught exception to 500, instead of 400

pywb/framework/test/test_wsgi_wrapper.py

@@ -14,7 +14,7 @@ class TestOkApp:
 
 class TestErrApp:
     def __call__(self, env):
-        raise Exception('Test Error')
+        raise Exception('Test Unexpected Error')
 
 class TestCustomErrApp:
     def __call__(self, env):
@@ -41,8 +41,8 @@ def test_err_app():
     testapp = webtest.TestApp(the_app)
     resp = testapp.get('/abc', expect_errors=True)
 
-    assert resp.status_int == 400
-    assert '400 Bad Request Error: Test Error' in resp.body
+    assert resp.status_int == 500
+    assert '500 Internal Server Error Error: Test Unexpected Error' in resp.body
 
 def test_custom_err_app():
     the_app = init_app(initer(TestCustomErrApp), load_yaml=False)

pywb/framework/wsgi_wrappers.py

@@ -118,7 +118,7 @@ class WSGIApp(object):
         if hasattr(exc, 'status'):
             status = exc.status()
         else:
-            status = '400 Bad Request'
+            status = '500 Internal Server Error'
 
         if hasattr(exc, 'url'):
             err_url = exc.url

pywb/utils/wbexception.py

@@ -6,8 +6,9 @@ class WbException(Exception):
         Exception.__init__(self, msg)
         self.url = url
 
-    def status(self):
-        return '500 Internal Server Error'
+# Default Error Code
+#    def status(self):
+#        return '500 Internal Server Error'
 
 
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