API error

ERROR:aiohttp.server:Error handling request
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/aiohttp/web_protocol.py", line 418, in start
    resp = await task
  File "/usr/local/lib/python3.7/site-packages/aiohttp/web_app.py", line 458, in _handle
    resp = await handler(request)
  File "/search/prozorro_sale/search/api.py", line 68, in search_by_last_modified
    limit = MAX_LIMIT if limit > MAX_LIMIT else limit
TypeError: '>' not supported between instances of 'str' and 'int'
INFO:aiohttp.access:10.244.0.1 [16/Oct/2019:15:40:13 +0000] "GET /api/search/byLastModified/2019-10-11T16:19:14.374000?limit=100 HTTP/1.1" 500 334 "-"