fix: lfs chunked uploads.

When testing large file uploads it's found that gunicorn raises NoMoreData instead of returning value.
This fixes the problem and doesn't show excesive exceptions for no reason. Previously file upload still worked but spawned errors in logs

vcsserver/git_lfs/app.py

@@ -18,6 +18,7 b''
 import re
 import logging
 
+from gunicorn.http.errors import NoMoreData
 from pyramid.config import Configurator
 from pyramid.response import Response, FileIter
 from pyramid.httpexceptions import (
@@ -166,9 +167,14 b' def lfs_objects_oid_upload(request):'
             # read in chunks as stream comes in from Gunicorn
             # this is a specific Gunicorn support function.
             # might work differently on waitress
-            chunk = body.read(blksize)
+            try:
+                chunk = body.read(blksize)
+            except NoMoreData:
+                chunk = None
+
             if not chunk:
                 break
+
             f.write(chunk)
 
     return {'upload': 'ok'}