$ diff -y <(sort 1709packages) <(sort 1703packages)
asn1crypto						      <
asn1crypto						      <
backports_abc							backports_abc
backports_abc							backports_abc
backports.shutil_get_terminal_size			      <
backports.shutil_get_terminal_size			      <
backports.ssl_match_hostname					backports.ssl_match_hostname
backports.ssl_match_hostname					backports.ssl_match_hostname
beautifulsoup4							beautifulsoup4
beautifulsoup4							beautifulsoup4
Bottleneck							Bottleneck
Bottleneck							Bottleneck
certifi								certifi
certifi								certifi
cffi							      <
cffi							      <
chardet							      <
chardet							      <
coverage							coverage
coverage							coverage
cryptography						      <
cryptography						      <
cycler								cycler
cycler								cycler
Cython								Cython
Cython								Cython
decorator						      |	dateutil
decorator						      |	dateutil
docopt							      <
docopt							      <
docutils						      <
docutils						      <
enum34							      <
enum34							      <
et_xmlfile							et_xmlfile
et_xmlfile							et_xmlfile
funcsigs							funcsigs
funcsigs							funcsigs
functools32							functools32
functools32							functools32
html5lib							html5lib
html5lib							html5lib
idna							      <
idna							      <
ipaddress						      <
ipaddress						      <
ipython							      <
ipython							      <
ipython_genutils					      <
ipython_genutils					      <
jdcal								jdcal
jdcal								jdcal
jsonschema						      <
jsonschema						      <
jupyter_core						      <
jupyter_core						      <
lxml								lxml
lxml								lxml
matplotlib							matplotlib
matplotlib							matplotlib
mock								mock
mock								mock
nbformat						      <
nbformat						      <
nose								nose
nose								nose
numexpr								numexpr
numexpr								numexpr
numpy								numpy
numpy								numpy
openpyxl							openpyxl
openpyxl							openpyxl
packages							packages
packages							packages
packages							packages
packages							packages
packaging						      <
packaging						      <
pandas								pandas
pandas								pandas
pathlib2						      <
pathlib2						      <
path.py							      <
path.py							      <
patsy								patsy
patsy								patsy
pbr								pbr
pbr								pbr
pexpect							      <
pexpect							      <
pickleshare						      <
pickleshare						      <
pkgconfig							pkgconfig
pkgconfig							pkgconfig
plotly								plotly
plotly								plotly
prompt_toolkit						      <
prompt_toolkit						      <
ptyprocess						      <
ptyprocess						      <
pyasn1							      <
pyasn1							      <
pycparser						      <
pycparser						      <
Pygments						      <
Pygments						      <
pyOpenSSL						      <
pyOpenSSL						      <
pyparsing							pyparsing
pyparsing							pyparsing
pysocks							      <
pysocks							      <
python							      <
python							      <
pytz								pytz
pytz								pytz
requests							requests
requests							requests
scandir							      <
scandir							      <
scikit								scikit
scikit								scikit
scipy								scipy
scipy								scipy
setuptools							setuptools
setuptools							setuptools
simplegeneric						      <
simplegeneric						      <
singledispatch							singledispatch
singledispatch							singledispatch
six								six
six								six
SQLAlchemy							SQLAlchemy
SQLAlchemy							SQLAlchemy
statsmodels							statsmodels
statsmodels							statsmodels
subprocess32							subprocess32
subprocess32							subprocess32
tables								tables
tables								tables
testpath						      <
testpath						      <
tornado								tornado
tornado								tornado
traitlets						      <
traitlets						      <
urllib3							      <
urllib3							      <
wcwidth							      <
wcwidth							      <
webencodings							webencodings
webencodings							webencodings
xlrd								xlrd
xlrd								xlrd
xlwt								xlwt
xlwt								xlwt