Transformation tool produces duplicate rows

[carlfischerjba]

Issue Description

Converting a CEDE portfolio to OED produces many duplicated rows in the location file. These are full duplicates without any CondTags or other fields making a difference.

Steps to Reproduce (Bugs only)

Use ods-tools transform to convert a CEDE portfolio to OED using the transformations available in this repository.

Version / Environment information

Example data / logs

I can't share the data here but I believe Oasis already have it.

$ uniq < oed_location.csv > oed_location_uniq.csv
$  wc -l oed_location*.csv 
   4035420 oed_location.csv
    381728 oed_location_uniq.csv