keep previous IDs for compounds (close #51)

Former-commit-id: dc7d75f5db848b8eab3228c01c4fe51c0a5e986c

ippisite/db.sqlite3.REMOVED.git-id

-6def815c597d9d9c8c7e97e6b7e8fd71da7d64ac
+b3413ac6f067ab89b2dad63c444b3021ffeef640
\ No newline at end of file

ippisite/ippidb/management/commands/import_v1_data.py

@@ -560,6 +560,7 @@ select distinct protein.NumUniprot, domain.PfamNumAccession  , complexe.NbCopy,
             for row in rows:
                 try:
                     compound = Compound()
+                    compound.id = row[0]
                     compound.canonical_smile = row[1]
                     compound.is_macrocycle = (row[4] == 'Y')
                     compound.aromatic_ratio = row[5]