Merge pull request #689 from cmonr/py3-warning-msg

Added warning message about Mbed OS Py3 compatability

Author: screamerbg

mbed/mbed.py

@@ -2987,6 +2987,10 @@ def main():
         log(ver+"\n")
         sys.exit(0)
 
+    # Python 3 backwards compatability warning
+    if sys.version_info[0] == 3:
+        warning("If you're using Python 3 with Mbed OS 5.8 and earlier versions, Python errors will occur when compiling, testing and exporting")
+
     pargs, remainder = parser.parse_known_args()
     status = 1