Remove zero values for production flows

v.1.2.3

Black reformating

Fix issue relating to trailing spaces

v.1.2.2

Fix test

v.1.2.1

Full Changelog: v.1.2.0...v.1.2.1

Fixes several issues

• "database" KeyError: now, the presence of a filed "database" in an exchange is checked first, to avoid KeyError
• the dataframe column "to database" si removed before building the dictionary containing factors

Fix issue with VACUUM from within a transaction

v.1.1.9

Version bump

Update dependencies

v.1.1.8

Version bump

Fix issue with finding correct key for biosphere flows

Full Changelog: v.1.1.6...v.1.1.7

v.1.1.6

Fixes issue with exporting superstructure databases: some ecoinvent databases imported via bw2io 0.8.10 have a few different units, leading to linking issues. Now, unfold tries alternative units (e.g., tries kilogram day if kg*day fails).

Fix export of SDFs

There was an error leading to incorrect SDFs generation (suppliers and consumers in the matrix were swapped, leading to strange results).

Fix dependency to `wurst 0.3.4`

v.1.1.4

Version bump