Improve error message display in example

Author: rich-iannone

pointblank/validate.py

@@ -2166,7 +2166,11 @@ def connect_to_table(connection_string: str) -> Any:
 
     ```{python}
     #| error: true
-    pb.connect_to_table(f"duckdb:///{duckdb_path}")
+    #| output: asis
+    try:
+        pb.connect_to_table(f"duckdb:///{duckdb_path}")
+    except Exception as e:
+        print(f"**{type(e).__name__}:** {e}")
     ```
 
     Here are some backend-specific connection examples: