Fix: lib.py wait_for_port to actually work

Previously, if the timing was just right, the function would try to
connect to the port before gunicorn had opened it, and handled the
resulting excption badly. Should now handle it correctly.

1 files changed, 2 insertions, 0 deletions

diff --git a/yarns/lib.py b/yarns/lib.py
index 0914b00..d57e11f 100644
--- a/yarns/lib.py
+++ b/yarns/lib.py
@@ -59,6 +59,8 @@ def wait_for_port(port):
         try:
             s = socket.socket()
             s.connect(('127.0.0.1', port))
+        except socket.error:
+            time.sleep(0.1)
         except OSError as e:
             raise
         else: