pip install flake8

Author: cclauss

.travis.yml

@@ -7,11 +7,13 @@ python:
   - "2.7.13"
   - "3.5"
   - "3.6"
+before_install:
+  - pip install flake8
 before_script:
-    # stop the build if there are Python syntax errors or undefined names
-    - flake8 . --count --select=E901,E999,F821,F822,F823 --statistics
-    # exit-zero treates all errors as warnings.  The GitHub editor is 127 chars wide
-    - flake8 . --count --exit-zero --max-line-length=127 --statistics
+  # stop the build if there are Python syntax errors or undefined names
+  - flake8 . --count --select=E901,E999,F821,F822,F823 --statistics
+  # exit-zero treates all errors as warnings.  The GitHub editor is 127 chars wide
+  - flake8 . --count --exit-zero --max-line-length=127 --statistics
 install:
   - python setup.py install
   - pip install pexpect