fixes mnaberez#45

patricksurry · Jul 26, 2023 · f678f5f · f678f5f
1 parent a01a227
commit f678f5f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/py65/monitor.py b/py65/monitor.py
@@ -170,7 +170,8 @@ def _usage(self):
         self._output(usage)
 
     def onecmd(self, line):
-        line = self._preprocess_line(line)
+        if line:
+            line = self._preprocess_line(line)
 
         result = None
         try:
@@ -181,7 +182,7 @@ def onecmd(self, line):
             error = ''.join(traceback.format_exception(e))
             self._output(error)
 
-        if not line.startswith("quit"):
+        if line and not line.startswith("quit"):
             self._output_mpu_status()
 
         # Switch back to the previous input mode.