fix formatting to satisfy linters

cheroot/makefile.py

@@ -37,8 +37,10 @@ def write(self, b):
             return len(b)
 
     def _safe_call(self, is_reader, call, *args, **kwargs):  # noqa: C901
-        """Method to be overridden in subclasses/mix-ins. Intended to call the
-        supplied callable with retries, as needed."""
+        """Call the supplied callable with retries, as needed.
+
+        Method to be overridden in subclasses/mix-ins.
+        """
         return call(*args, **kwargs)
 
     def _flush_unlocked(self):
@@ -47,8 +49,9 @@ def _flush_unlocked(self):
             try:
                 # ssl sockets only except 'bytes', not bytearrays
                 # so perhaps we should conditionally wrap this for perf?
-                n = self._safe_call(False, self.raw.write,
-                                    bytes(self._write_buf))
+                n = self._safe_call(
+                    False, self.raw.write, bytes(self._write_buf)
+                )
             except io.BlockingIOError as e:
                 n = e.characters_written
             del self._write_buf[:n]

cheroot/ssl/pyopenssl.py

@@ -159,10 +159,13 @@ def read(self, *args, **kwargs):
         )
 
     def sendall(self, *args, **kwargs):
-        """Send whole message to the socket - not supported due to
-        https://github.com/pyca/pyopenssl/issues/176."""
-        raise NotImplementedError("sendall() not supported on pyOpenSSL due "
-                                  "to issue #176")
+        """Send whole message to the socket.
+
+        Not supported due to https://github.com/pyca/pyopenssl/issues/176.
+        """
+        raise NotImplementedError(
+            'sendall() not supported on pyOpenSSL due to issue #176'
+        )
 
     def send(self, *args, **kwargs):
         """Send some part of message to the socket."""