message: Fix Oracle timestamps (Oracle "ORA-00907: missing right parenthesis" error)
diff: @@ -1073,7 +1073,7 @@ class OracleEngineSpec(PostgresEngineSpec):
  @classmethod
  def convert_dttm(cls, target_type, dttm):
  return (
  - """TO_TIMESTAMP('{}', 'YYYY-MM-DD'T'HH24:MI:SS.ff6')"""
  + """TO_TIMESTAMP('{}', 'YYYY-MM-DD"T"HH24:MI:SS.ff6')"""
  ).format(dttm.isoformat())
  