When you merge two indexed dataframes on certain values using 'outer' merge, python/pandas automatically adds Null (NaN) values to the fields it could not match
siemens
mailjet
xcode10.3
sam
restcord
sms-gateway
payment-services
win32-process
vlc-qt
mouse-position
geany-plugin
top-level-await
unqork
azure-rtos
where-in
anonymous-pipes
auto-indent
atof
zombie-process
puppet-bolt
error-code
msvc12
pimcore-datahub
whatwg-streams-api
apple-live-photos
qsqlrelationaltablemodel
blueprint-css
featherlight.js
android-icons
meteorite