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Document the debug param for Flask.run, it is not part of **options given #285

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Document the debug param for Flask.run, it is not part of **options given #285

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7 changes: 4 additions & 3 deletions flask/app.py
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Expand Up @@ -524,7 +524,7 @@ def update_template_context(self, context):
# existing views.
context.update(orig_ctx)

def run(self, host='127.0.0.1', port=5000, **options):
def run(self, host='127.0.0.1', port=5000, debug=None, **options):
"""Runs the application on a local development server. If the
:attr:`debug` flag is set the server will automatically reload
for code changes and show a debugger in case an exception happened.
Expand All @@ -547,14 +547,15 @@ def run(self, host='127.0.0.1', port=5000, **options):
:param host: the hostname to listen on. set this to ``'0.0.0.0'``
to have the server available externally as well.
:param port: the port of the webserver
:param debug: if given, enable or disable debug mode.
:param options: the options to be forwarded to the underlying
Werkzeug server. See
:func:`werkzeug.serving.run_simple` for more
information.
"""
from werkzeug.serving import run_simple
if 'debug' in options:
self.debug = options.pop('debug')
if debug is not None:
self.debug = bool(debug)
options.setdefault('use_reloader', self.debug)
options.setdefault('use_debugger', self.debug)
return run_simple(host, port, self, **options)
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