Bump cryptography from 1.7.2 to 3.2

requirements.txt

@@ -4,35 +4,26 @@
 #
 #    pip-compile --output-file requirements.txt requirements.in
 #
-certifi==2017.1.23
+certifi==2017.1.23        # via -r requirements.in
 cffi==1.9.1               # via cryptography
-contexttimer==0.3.3
-cryptography==1.7.2
+contexttimer==0.3.3       # via -r requirements.in
+cryptography==3.2         # via -r requirements.in, pyopenssl
 cycler==0.10.0            # via matplotlib
-enum34==1.1.6             # via cryptography
-functools32==3.2.3.post2  # via matplotlib
-futures==3.0.5            # via requests-futures
 gitdb2==2.0.0             # via gitpython
-gitpython==2.1.1
-idna==2.2
-ipaddress==1.0.18         # via cryptography
-matplotlib==2.0.0
-mpld3==0.3
-numpy==1.10.4
-pyasn1==0.2.2             # via cryptography
+gitpython==2.1.1          # via -r requirements.in
+idna==2.2                 # via -r requirements.in
+matplotlib==2.0.0         # via -r requirements.in
+mpld3==0.3                # via -r requirements.in
+numpy==1.10.4             # via -r requirements.in, matplotlib, scipy
 pycparser==2.17           # via cffi
-pyopenssl==16.2.0
+pyopenssl==16.2.0         # via -r requirements.in
 pyparsing==2.1.10         # via matplotlib
-python-dateutil==2.5.1
+python-dateutil==2.5.1    # via -r requirements.in, matplotlib
 pytz==2016.4              # via matplotlib
-pyyaml==3.12
-requests-futures==0.9.7
-requests==2.13.0
-scipy==0.17.0
+pyyaml==3.12              # via -r requirements.in
+requests-futures==0.9.7   # via -r requirements.in
+requests==2.13.0          # via -r requirements.in, requests-futures
+scipy==0.17.0             # via -r requirements.in
 six==1.10.0               # via cryptography, cycler, matplotlib, pyopenssl, python-dateutil
 smmap2==2.0.1             # via gitdb2
-subprocess32==3.2.7       # via matplotlib
-tqdm==4.11.2
-
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools                # via cryptography
+tqdm==4.11.2              # via -r requirements.in