Fix docstring formatting errors

sanic/response.py

@@ -251,8 +251,7 @@ def text(body, status=200, headers=None,
     :param body: Response data to be encoded.
     :param status: Response code.
     :param headers: Custom Headers.
-    :param content_type:
-        the content type (string) of the response
+    :param content_type: the content type (string) of the response
     """
     return HTTPResponse(
         body, status=status, headers=headers,
@@ -266,8 +265,7 @@ def raw(body, status=200, headers=None,
     :param body: Response data.
     :param status: Response code.
     :param headers: Custom Headers.
-    :param content_type:
-        the content type (string) of the response
+    :param content_type: the content type (string) of the response.
     """
     return HTTPResponse(body_bytes=body, status=status, headers=headers,
                         content_type=content_type)
@@ -316,17 +314,16 @@ def stream(
         content_type="text/plain; charset=utf-8"):
     """Accepts an coroutine `streaming_fn` which can be used to
     write chunks to a streaming response. Returns a `StreamingHTTPResponse`.
-    Example usage:
 
-    ```
-    @app.route("/")
-    async def index(request):
-        async def streaming_fn(response):
-            await response.write('foo')
-            await response.write('bar')
+    Example usage::
 
-        return stream(streaming_fn, content_type='text/plain')
-    ```
+        @app.route("/")
+        async def index(request):
+            async def streaming_fn(response):
+                await response.write('foo')
+                await response.write('bar')
+
+            return stream(streaming_fn, content_type='text/plain')
 
     :param streaming_fn: A coroutine accepts a response and
         writes content to that response.