tools/pyboard: Tighten up Pyboard object closure on errors.

pfalcon · pfalcon · commit 9b3f423c14af · 2017-04-02T20:48:53.000+03:00
Some "device" implementations may be sensitive to this.
diff --git a/tools/pyboard.py b/tools/pyboard.py
@@ -300,13 +300,15 @@ def main():
             pyb.enter_raw_repl()
         except PyboardError as er:
             print(er)
+            pyb.close()
             sys.exit(1)
 
         def execbuffer(buf):
             try:
                 ret, ret_err = pyb.exec_raw(buf, timeout=None, data_consumer=stdout_write_bytes)
             except PyboardError as er:
                 print(er)
+                pyb.close()
                 sys.exit(1)
             except KeyboardInterrupt:
                 sys.exit(1)
