Don't use relative imports in serving

Fix #1067

2 files changed, 3 insertions, 0 deletions

diff --git a/CHANGES b/CHANGES
index 42d43fa8..b7073a8c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,7 @@ Version 0.11.16
 ---------------
 
 - werkzeug.serving: set CONTENT_TYPE / CONTENT_LENGTH if only they're provided by the client
+- werkzeug.serving: Fix crash of reloader when using `python -m werkzeug.serving`.
 
 Version 0.11.15
 ---------------
diff --git a/werkzeug/serving.py b/werkzeug/serving.py
index 0a98f87b..a59cacb3 100644
--- a/werkzeug/serving.py
+++ b/werkzeug/serving.py
@@ -700,6 +700,8 @@ def run_simple(hostname, port, application, use_reloader=False,
             else:
                 s.close()
 
+        # Do not use relative imports, otherwise "python -m werkzeug.serving"
+        # breaks.
         from ._reloader import run_with_reloader
         run_with_reloader(inner, extra_files, reloader_interval,
                           reloader_type)