Fix error with \r added by jinja

1 job for markdown-parser in 55 seconds
Name Stage Failure
failed
test Test There is an unknown failure, please try again

Will be retried in 3s ...
Using Docker executor with image python:3.5 ...
Pulling docker image python:3.5 ...
ERROR: Preparation failed: API error (500): Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

Will be retried in 3s ...
ERROR: Job failed (system failure): API error (500): Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)