patch in another location

diff --git a/src/adafruit_blinka/microcontroller/mcp2221/mcp2221.py b/src/adafruit_blinka/microcontroller/mcp2221/mcp2221.py
index 8e76cc7127a51f3aaf1baa0bf3b131bcd2f51ca5..2dcc5394718eb79efd25a5c0706b79187e015b97 100644 (file)
--- a/src/adafruit_blinka/microcontroller/mcp2221/mcp2221.py
+++ b/src/adafruit_blinka/microcontroller/mcp2221/mcp2221.py
@@ -360,7 +360,8 @@ class MCP2221:
             # try a write
             try:
                 self.i2c_writeto(addr, b"\x00")
             # 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)
                 continue
             # store if success
             found.append(addr)