Improve error handling

package.json

@@ -66,7 +66,7 @@
         "c9.ide.language.javascript.eslint": "#3127e1eba1",
         "c9.ide.language.javascript.tern": "#bf1072b11a",
         "c9.ide.language.javascript.infer": "#0561c69d67",
-        "c9.ide.language.jsonalyzer": "#3de934af95",
+        "c9.ide.language.jsonalyzer": "#515aad691b",
         "c9.ide.collab": "#4b93a497cd",
         "c9.ide.local": "#a6e689e33b",
         "c9.ide.find": "#e33fbaed2f",
@@ -91,7 +91,7 @@
         "c9.ide.imgeditor": "#612e75ef4f",
         "c9.ide.immediate": "#a962119bec",
         "c9.ide.installer": "#0fde9f0067",
-        "c9.ide.language.python": "#4fad6f5a80",
+        "c9.ide.language.python": "#b564a19d7e",
         "c9.ide.language.go": "#8f6d0beae7",
         "c9.ide.mount": "#86c8985f34",
         "c9.ide.navigate": "#1fbb7cd53b",