Wrap python2.7 error message

Wraps python2.7 error message with user-friendly error message Resolves tern-tools#362 Signed-off-by: Prajwal M <[email protected]>
rnjudge · Aug 28, 2019 · 1197d05 · 1197d05
1 parent 983b1ff
commit 1197d05
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/tern/__main__.py b/tern/__main__.py
@@ -130,7 +130,11 @@ def main():
     args = parser.parse_args()
 
     # execute
-    do_main(args)
+    if sys.version_info < (3, 0):
+        sys.stderr.write("Error running Tern. Please check that python3 "
+                         "is configured as default.\n")
+    else:
+        do_main(args)
 
 
 if __name__ == "__main__":