Downloading dependencies is very slow and causes timeouts

[mietek]

Should it really take 5 minutes to download a 50MB file?

Example build log:

$ git push heroku master
Counting objects: 23, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (20/20), done.
Writing objects: 100% (23/23), 3.50 KiB | 0 bytes/s, done.
Total 23 (delta 5), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Python app detected
remote: -----> Installing runtime (python-2.7.9)
remote: -----> Installing dependencies with pip
remote:        Collecting Jinja2==2.7.3 (from -r requirements.txt (line 1))
remote:          Downloading Jinja2-2.7.3.tar.gz (378kB)
remote:        Collecting MarkupSafe==0.23 (from -r requirements.txt (line 2))
remote:          Downloading MarkupSafe-0.23.tar.gz
remote:        Collecting Pygments==2.0.2 (from -r requirements.txt (line 3))
remote:          Downloading Pygments-2.0.2-py2-none-any.whl (672kB)
remote:        Collecting backports.ssl-match-hostname==3.4.0.2 (from -r requirements.txt (line 4))
remote:          Downloading backports.ssl_match_hostname-3.4.0.2.tar.gz
remote:        Collecting certifi==2015.4.28 (from -r requirements.txt (line 5))
remote:          Downloading certifi-2015.04.28-py2.py3-none-any.whl (373kB)
remote:        Collecting gnureadline==6.3.3 (from -r requirements.txt (line 6))
remote:          Downloading gnureadline-6.3.3.tar.gz (2.5MB)
remote:        Collecting ipython==3.1.0 (from -r requirements.txt (line 7))
remote:          Downloading ipython-3.1.0-py2-none-any.whl (3.4MB)
remote:        Collecting jsonschema==2.4.0 (from -r requirements.txt (line 8))
remote:          Downloading jsonschema-2.4.0-py2.py3-none-any.whl
remote:        Collecting matplotlib==1.4.3 (from -r requirements.txt (line 9))
remote:          Downloading matplotlib-1.4.3.tar.gz (50.4MB)
remote: 
remote: Build stream timed out, reverting to polling............................................^C

[kennethreitz]

I don't think matplotlib will work on Heroku.

Regardless, downloading a 50MB file should be quite quick. Did you retry your download? I suspect the problem may lie with the server hosting the file.