i am working with irregular building footprints generated by U-Net network. i want to simplify them. i find python library Arcpy has simplifybuilding or regularizebuildingfootprint functions but arcpy is not open source. can anyone help me with it for any

[amirR]

i am working with irregular building footprints generated by U-Net network. i want to simplify them. i find python library Arcpy has simplifybuilding or regularizebuildingfootprint functions but arcpy is not open source. can anyone help me with it for any open source python library which simplifies or regularises footprints? 

i am attaching irregular polygons which i want to simplify. thank you