fix audioio import for boards without it (and docs)

jepler · jepler · commit 4bc5cfc51358 · 2019-09-11T20:22:30.000-05:00
diff --git a/simpleio.py b/simpleio.py
@@ -34,7 +34,10 @@
 try:
     import audiocore
 except ImportError:
-    import audioio as audiocore
+    try:
+        import audioio as audiocore
+    except ImportError:
+        pass # not always supported by every board!
 try:
     from audioio import AudioOut
 except ImportError:
