I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
crossbeam
web3dart
dotfuscator
frends
pentaho-cde
websharper
smart-tv
qtpy
ionic-vue
should.js
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protein-database
easyrepro
zio-streams
lumen-routing
ranking-functions
angular2-router3
global-static-external-ip-address
autodesk
qcc
orca
nominal-typing
defaultifempty
awesome-wm
html5-animation
java-failsafe
html-to-docx
hyperledger-fabric2.2
sacct
mysql-error-1062