From 22650e50866c4669cab01bf1933db2b87d28249d Mon Sep 17 00:00:00 2001
From: Ian Cordasco <graffatcolmingov@gmail.com>
Date: Sat, 30 Jul 2016 06:42:34 -0500
Subject: [PATCH] Reset Application.formatter attribute in init_report

For our Legacy API users, StyleGuide.init_report should reset the
formatter attribute before calling Application.make_formatter().

Closes #200
---
 docs/source/release-notes/3.0.3.rst | 5 +++++
 src/flake8/api/legacy.py            | 1 +
 2 files changed, 6 insertions(+)

diff --git a/docs/source/release-notes/3.0.3.rst b/docs/source/release-notes/3.0.3.rst
index 0f62a50..e82d85b 100644
--- a/docs/source/release-notes/3.0.3.rst
+++ b/docs/source/release-notes/3.0.3.rst
@@ -23,6 +23,9 @@
 - Fix issue where users were unable to ignore plugin errors that were on
   by default. (See also `GitLab#195`_)
 
+- Fix our legacy API StyleGuide's ``init_report`` method to actually override
+  the previous formatter. (See also `GitLab#200`_)
+
 
 .. links
 .. _GitLab#164:
@@ -35,5 +38,7 @@
     https://gitlab.com/pycqa/flake8/issues/193
 .. _GitLab#195:
     https://gitlab.com/pycqa/flake8/issues/195
+.. _GitLab#200:
+    https://gitlab.com/pycqa/flake8/issues/200
 .. _this Python bug report:
     https://bugs.python.org/issue27649
diff --git a/src/flake8/api/legacy.py b/src/flake8/api/legacy.py
index 8c7d337..1277460 100644
--- a/src/flake8/api/legacy.py
+++ b/src/flake8/api/legacy.py
@@ -120,6 +120,7 @@ class StyleGuide(object):
         if not issubclass(reporter, formatter.BaseFormatter):
             raise ValueError("Report should be subclass of "
                              "flake8.formatter.BaseFormatter.")
+        self._application.formatter = None
         self._application.make_formatter(reporter)
         self._application.guide = None
         # NOTE(sigmavirus24): This isn't the intended use of