add intend and cosmetics to header

Author: Roberto Sora

test/conftest.py

@@ -1,12 +1,12 @@
 # This file is part of arduino-cli.
-
+#
 # Copyright 2019 ARDUINO SA (http://www.arduino.cc/)
-
+#
 # This software is released under the GNU General Public License version 3,
 # which covers the main part of arduino-cli.
 # The terms of this license can be found at:
 # https://www.gnu.org/licenses/gpl-3.0.en.html
-
+#
 # You can be released from the requirements of the above licenses by purchasing
 # a commercial license. Buying such a license is mandatory if you want to modify or
 # otherwise use the software for commercial activities involving the Arduino

test/test_compile.py

@@ -1,21 +1,22 @@
 # This file is part of arduino-cli.
-
+#
 # Copyright 2019 ARDUINO SA (http://www.arduino.cc/)
-
+#
 # This software is released under the GNU General Public License version 3,
 # which covers the main part of arduino-cli.
 # The terms of this license can be found at:
 # https://www.gnu.org/licenses/gpl-3.0.en.html
-
+#
 # You can be released from the requirements of the above licenses by purchasing
 # a commercial license. Buying such a license is mandatory if you want to modify or
 # otherwise use the software for commercial activities involving the Arduino
 # software without disclosing the source code of your own applications. To purchase
 # a commercial license, send an email to [email protected].
-import pytest
 import json
 import os
 
+import pytest
+
 from .common import running_on_ci