From b6041e6f8abc4fee96785d78ea6098c4e1a4cb3c Mon Sep 17 00:00:00 2001
From: Alfonso Acosta <fons@hey.com>
Date: Wed, 17 Jul 2024 14:51:12 +0200
Subject: [PATCH] fix: flush stdout while waiting

---
 esptool/loader.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/esptool/loader.py b/esptool/loader.py
index 5f2ff60a1..31a6555d5 100644
--- a/esptool/loader.py
+++ b/esptool/loader.py
@@ -341,11 +341,13 @@ def __init__(
                         if not printed_failure:
                             print(e)
                             print("Retrying to open port ", end="")
+                            sys.stdout.flush()
                             printed_failure = True
                         else:
                             if retry_attempts % 9 == 0:
                                 # print a dot every second
                                 print(".", end="")
+                                sys.stdout.flush()
                         time.sleep(0.1)
                         retry_attempts += 1
                         continue