Fix last linting errors.

tests/test_publish.py

@@ -14,7 +14,7 @@ from unittest.mock import patch
 from publish import publish
 
 SRC_DIR = 'test_src_folder'
-IMG_DATA = b'iVBORw0KGgoAAAANSUhEUgAAAUAAAAFAAgMAAACw/k05AAAACXBIWXMAAA7DAAAOwwHHb6hkAAAAGXRFWHRTb2Z0d2FyZQB3d3cuaW5rc2NhcGUub3Jnm+48GgAAAAxQTFRFAAAAHBwcVFRU////6irJIAAAAIVJREFUeNrt3TERACAQBLHTgQlMU6GQDkz8MF9kBcTCJmrY2IWtJPMWdoBAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAv+A5RMHtesBZRvjTSF8ofkAAAAASUVORK5CYII=' # noqa: E501
+IMG_DATA = b'iVBORw0KGgoAAAANSUhEUgAAAUAAAAFAAgMAAACw/k05AAAACXBIWXMAAA7DAAAOwwHHb6hkAAAAGXRFWHRTb2Z0d2FyZQB3d3cuaW5rc2NhcGUub3Jnm+48GgAAAAxQTFRFAAAAHBwcVFRU////6irJIAAAAIVJREFUeNrt3TERACAQBLHTgQlMU6GQDkz8MF9kBcTCJmrY2IWtJPMWdoBAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAv+A5RMHtesBZRvjTSF8ofkAAAAASUVORK5CYII='  # noqa: E501
 PIC_NAME = 'test_picture'
 DST_DIR = 'test_dst_folder'
 DST_PARENT_DIR = 'test_parent'

tests/test_save_plot.py

@@ -12,6 +12,7 @@ from save_plot import save_plot
 figure = plt.figure()
 plot_name = 'PLOT_NAME'
 
+
 class TestSave_Plot(unittest.TestCase):
 
     def test_save_plot(self):