Change to using try/except blocks

[Adafruit_Blinka-hackapet.git] / src / board.py

diff --git a/src/board.py b/src/board.py
index 9de41722cd9b9eb015c5a120383dc068fa4d89be..1b42b53211399f7606e65571a2489d735d4f5cd7 100755 (executable)
--- a/src/board.py
+++ b/src/board.py
@@ -31,9 +31,9 @@ import sys
 
 import adafruit_platformdetect.constants.boards as ap_board
 from adafruit_blinka.agnostic import board_id, detector
+import busio
 
 # pylint: disable=wildcard-import,unused-wildcard-import,ungrouped-imports
-# pylint: disable=import-outside-toplevel
 
 if board_id == ap_board.FEATHER_HUZZAH:
     from adafruit_blinka.board.feather_huzzah import *
@@ -224,19 +224,19 @@ elif "sphinx" in sys.modules:
 else:
     raise NotImplementedError("Board not supported {}".format(board_id))
 
-if SCL and SDA:
+try:
+    if SDA and SCL:
 
-    def I2C():
-        """The singleton I2C interface"""
-        import busio
+        def I2C():
+            """The singleton I2C interface"""
+            return busio.I2C(SCL, SDA)
 
-        return busio.I2C(SCL, SDA)
+    if SCLK:
 
+        def SPI():
+            """The singleton SPI interface"""
+            return busio.SPI(SCLK, MOSI, MISO)
 
-if SCLK and MOSI and MISO:
 
-    def SPI():
-        """The singleton SPI interface"""
-        import busio
-
-        return busio.SPI(SCLK, MOSI, MISO)
+except NameError:
+    pass