diff --git a/lib/gen_call_robot.py b/lib/gen_call_robot.py
index 62ea130..2e51626 100755
--- a/lib/gen_call_robot.py
+++ b/lib/gen_call_robot.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 r"""
 This module provides functions which are useful to plug-ins call-point programs that wish to make external
@@ -359,7 +359,7 @@
     # It TMP_ROBOT_DIR_PATH is set, it means the caller wanted the robot output initially directed to
     # TMP_ROBOT_DIR_PATH but later moved to FFDC_DIR_PATH.  Otherwise, we're done.
 
-    if os.environ.get("TMP_ROBOT_DIR_PATH", "") is "":
+    if os.environ.get("TMP_ROBOT_DIR_PATH", "") == "":
         return
 
     # We're directing these to the FFDC dir path so that they'll be subjected to FFDC cleanup.