Merge pull request 'added the exc_info flag' (#10) from Alex/stcs:dev into stable

Reviewed-on: kodorvan/stcs#10

database/__init__.py

@@ -21,4 +21,4 @@ async def init_db():
             await conn.run_sync(Base.metadata.create_all)
         logger.info("Database initialized.")
     except Exception as e:
-        logger.error("Database initialization failed: %s", e)
+        logger.error("Database initialization failed: %s", e, exc_info=True)