fix: close port when connect fails

This fixes a bug where the serial port is not closed when the connect fails. This can cause the port to be left open and unusable. This occurs when esptool is used as a module and detect_chip is called. Closes espressif#1044
Jason2866 · Jan 8, 2025 · d99c972 · d99c972
1 parent 12095b2
commit d99c972
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/esptool/loader.py b/esptool/loader.py
@@ -737,7 +737,7 @@ def connect(
                     " if ESP32-C2 doesn't connect"
                     " (at least 115200 Bd is recommended)."
                 )
-
+            self._port.close()
             raise FatalError(
                 "Failed to connect to {}: {}"
                 f"{additional_msg}"