🔊 Fix empty log message in docs example about raised exceptions (#1815)

docs_src/handling_errors/tutorial006.py

@@ -11,7 +11,7 @@ app = FastAPI()
 
 @app.exception_handler(StarletteHTTPException)
 async def custom_http_exception_handler(request, exc):
-    print(f"OMG! An HTTP error!: {exc}")
+    print(f"OMG! An HTTP error!: {repr(exc)}")
     return await http_exception_handler(request, exc)