Remove unused code and pep8

kitty/__init__.py

@@ -1 +1 @@
-
+# empty

kitty/fonts/freetype.py

@@ -253,10 +253,6 @@ def display_bitmap(data, w, h):
     img.show()
 
 
-def cell_size():
-    return cell_width, cell_height
-
-
 def test_rendering(text='\'Ping👁a⧽', sz=144, family='Ubuntu Mono for Kovid'):
     set_font_family(family, sz)
     cells = []

test.py

@@ -91,8 +91,10 @@ def run_cli(suite, verbosity=4):
     if not result.wasSuccessful():
         raise SystemExit(1)
 
+
 def main():
     run_tests()
 
+
 if __name__ == '__main__':
     main()