datasette-blob-error.txt

INFO:     127.0.0.1:54507 - "GET /test2/Document/-/blob/2/object.blob HTTP/1.1" 200 OK
Traceback (most recent call last):
  File "/Library/Python/3.8/site-packages/datasette/app.py", line 1021, in route_path
    await response.asgi_send(send)
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 328, in asgi_send
    body = body.encode("utf-8")
AttributeError: 'NoneType' object has no attribute 'encode'
ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/Library/Python/3.8/site-packages/datasette/app.py", line 1021, in route_path
    await response.asgi_send(send)
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 328, in asgi_send
    body = body.encode("utf-8")
AttributeError: 'NoneType' object has no attribute 'encode'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Python/3.8/site-packages/uvicorn/protocols/http/h11_impl.py", line 389, in run_asgi
    result = await app(self.scope, self.receive, self.send)
  File "/Library/Python/3.8/site-packages/uvicorn/middleware/proxy_headers.py", line 45, in __call__
    return await self.app(scope, receive, send)
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 150, in __call__
    await self.app(scope, receive, send)
  File "/Library/Python/3.8/site-packages/datasette/tracer.py", line 75, in __call__
    await self.app(scope, receive, send)
  File "/Library/Python/3.8/site-packages/asgi_csrf.py", line 102, in app_wrapped_with_csrf
    await app(scope, receive, wrapped_send)
  File "/Library/Python/3.8/site-packages/datasette/app.py", line 979, in __call__
    return await self.route_path(scope, receive, send, path)
  File "/Library/Python/3.8/site-packages/datasette/app.py", line 1026, in route_path
    return await self.handle_500(request, send, exception)
  File "/Library/Python/3.8/site-packages/datasette/app.py", line 1160, in handle_500
    await asgi_send_html(
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 208, in asgi_send_html
    await asgi_send(
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 228, in asgi_send
    await asgi_start(send, status, headers, content_type)
  File "/Library/Python/3.8/site-packages/datasette/utils/asgi.py", line 237, in asgi_start
    await send(
  File "/Library/Python/3.8/site-packages/asgi_csrf.py", line 98, in wrapped_send
    await send(event)
  File "/Library/Python/3.8/site-packages/uvicorn/protocols/http/h11_impl.py", line 473, in send
    raise RuntimeError(msg % message_type)
RuntimeError: Expected ASGI message 'http.response.body', but got 'http.response.start'.