use raise-from

jepler · jepler · commit 563444682fec · 2020-08-24T15:54:09.000-05:00
diff --git a/examples/server/esp32spi_wsgiserver.py b/examples/server/esp32spi_wsgiserver.py
@@ -216,7 +216,7 @@ def led_color(environ):  # pylint: disable=unused-argument
         Please create one named {0} in the root of the device filesystem.""".format(
             static
         )
-    )
+    ) from e
 
 web_app = SimpleWSGIApplication(static_dir=static)
 web_app.on("GET", "/led_on", led_on)

Original file line number	Diff line number	Diff line change
`@@ -216,7 +216,7 @@ def led_color(environ): # pylint: disable=unused-argument`
`216`	`216`	`Please create one named {0} in the root of the device filesystem.""".format(`
`217`	`217`	`static`
`218`	`218`	`)`
`219`		`- )`
	`219`	`+ ) from e`
`220`	`220`
`221`	`221`	`web_app = SimpleWSGIApplication(static_dir=static)`
`222`	`222`	`web_app.on("GET", "/led_on", led_on)`