patch in another location

Author: brentru

src/adafruit_blinka/microcontroller/mcp2221/mcp2221.py

@@ -360,7 +360,8 @@ def i2c_scan(self, *, start=0, end=0x79):
             # try a write
             try:
                 self.i2c_writeto(addr, b"\x00")
-            except RuntimeError:  # no reply!
+            except OSError:  # no reply!
+                # We got a NACK, which could be correct
                 continue
             # store if success
             found.append(addr)