Global reformatting with black.

doc/_ext/docstring.py

@@ -4,16 +4,13 @@
 
 
 def process_docstring(app, what, name, obj, options, lines):
-    lines[:] = [
-        l.replace("@param", ":param").replace("@raise", ":raises")
-        for l in lines
-    ]
+    lines[:] = [l.replace("@param", ":param").replace("@raise", ":raises") for l in lines]
 
 
 def setup(app):
     app.connect("autodoc-process-docstring", process_docstring)
     return {
-        'version': '0.1',
-        'parallel_read_safe': True,
-        'parallel_write_safe': True,
+        "version": "0.1",
+        "parallel_read_safe": True,
+        "parallel_write_safe": True,
     }