BUG: 'mbed cli export -i GCC_ARM' fails

Mbed CLI
1

Due to notify not being defined, diff to fix below:

--- a/project.py        Tue Sep 25 13:52:56 2018 -0500
+++ b/project.py        Thu Feb 04 16:39:04 2021 +0100
@@ -130,6 +130,8 @@
     ###################################
     # mbed Classic/2.0/libary support #
 
+    if notify == None:
+        notify = TerminalNotifier()
     # Find build system profile
     profile = None
     targets_json = None