fix pycodestyle

test.py

@@ -0,0 +1,40 @@
+import ocrmypdf
+from ocrmypdf import ocr, hookimpl
+from ocrmypdf._concurrent import NullProgressBar
+
+
+def get_unified_progress(self, desc, current, total):
+    steps = ["Scanning contents", "OCR", "PDF/A conversion"]
+    if desc in steps:
+        index = steps.index(desc)
+        return (index / len(steps)) + (current / total) / len(steps)
+    else:
+        return 0
+
+
+class MyProgressBar:
+
+    # __enter__, __exit__ and others removed for simplicity
+
+    def update(self, *args, **kwargs):
+        pass
+        # i'd need to call MyOcrClass.progress() here.
+
+
+@hookimpl
+def get_progressbar_class(*args, **kwargs):
+    return MyProgressBar
+
+
+class MyOcrClass:
+
+    def progress(self, current_p, max_p):
+        # send progress over web sockets, *requires* self reference
+        pass
+
+    def run(self):
+        ocrmypdf.ocr("test.pdf", "test_out.pdf", skip_text=True, jobs=1, plugins="test")
+
+
+if __name__ == '__main__':
+    MyOcrClass().run()