[Python] Download and save PDF file with Python requests module

I am trying to download a PDF file from a website and save it to disk. My attempts either fail with encoding errors or result in blank PDFs.

In [1]: import requests

In [2]: url = 'http://www.hrecos.org//images/Data/forweb/HRTVBSH.Metadata.pdf'

In [3]: response = requests.get(url)

In [4]: with open('/tmp/metadata.pdf', 'wb') as f:
...: f.write(response.text)
---------------------------------------------------------------------------
UnicodeEncodeError Traceback (most recent call last)
<ipython-input-4-4be915a4f032> in <module>()
1 with open('/tmp/metadata.pdf', 'wb') as f:
----> 2 f.write(response.text)
3

UnicodeEncodeError: 'ascii' codec can't encode characters in position 11-14: ordinal not in range(128)

In [5]: import codecs

In [6]: with codecs.open('/tmp/metadata.pdf', 'wb', encoding='utf8') as f:
...: f.write(response.text)
...:


I know it is a codec problem of some kind but I can't seem to get it to work.

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