ruff run and readme update

Author: madebygps

README.md

@@ -173,10 +173,10 @@ You can use the [.NET Aspire Dashboard](https://learn.microsoft.com/dotnet/aspir
 2. Set the environment variable and start the HTTP server:
 
    ```bash
-   export OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317
    uv run servers/basic_mcp_http.py
    ```
 
+
 3. View the dashboard at: http://localhost:18888
 
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