Add quotes to dict keys

bennuttall · web-flow · commit 89062ed4c2a6 · 2016-08-31T15:04:07.000+01:00
This is a bug introduced in v1.3.0. Currently, hardware SPI is not possible because the NameError is caught on 418 and incorrectly dealt with. The plan is to do a point release v1.3.1 to address this.
diff --git a/gpiozero/spi.py b/gpiozero/spi.py
@@ -408,8 +408,8 @@ def SPI(**spi_args):
         else:
             try:
                 hardware_spi_args = {
-                    port: 0,
-                    device: {8: 0, 7: 1}[spi_args['select_pin']],
+                    'port': 0,
+                    'device': {8: 0, 7: 1}[spi_args['select_pin']],
                     }
                 if shared:
                     return SharedSPIHardwareInterface(**hardware_spi_args)
