Merge pull request #807 from brentru/force-mcp

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / am335x / sysfs_pwmout.py

diff --git a/src/adafruit_blinka/microcontroller/am335x/sysfs_pwmout.py b/src/adafruit_blinka/microcontroller/am335x/sysfs_pwmout.py
index b99e1cc8000ef88293ecb81146fd8e3b49bc6bbf..dd96c53b36fa8ec458cd944b1d663b6203e8389e 100644 (file)
--- a/src/adafruit_blinka/microcontroller/am335x/sysfs_pwmout.py
+++ b/src/adafruit_blinka/microcontroller/am335x/sysfs_pwmout.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """
 Much code from https://github.com/vsergeev/python-periphery/blob/master/periphery/pwm.py
 Copyright (c) 2015-2016 vsergeev / Ivan (Vanya) A. Sergeev
@@ -11,6 +14,7 @@ try:
 except ImportError:
     raise RuntimeError("No PWM outputs defined for this board") from ImportError
 
+
 # pylint: disable=unnecessary-pass
 class PWMError(IOError):
     """Base class for PWM errors."""
@@ -101,7 +105,7 @@ class PWMOut:
         if not os.path.isdir(pin_path):
             try:
                 with open(
-                    os.path.join(channel_path, self._export_path), "w"
+                    os.path.join(channel_path, self._export_path), "w", encoding="utf-8"
                 ) as f_export:
                     f_export.write("%d\n" % self._pwmpin)
             except IOError as e:
@@ -131,7 +135,9 @@ class PWMOut:
                 try:
                     # unexport_path = os.path.join(channel_path, self._unexport_path)
                     with open(
-                        os.path.join(channel_path, self._unexport_path), "w"
+                        os.path.join(channel_path, self._unexport_path),
+                        "w",
+                        encoding="utf-8",
                     ) as f_unexport:
                         f_unexport.write("%d\n" % self._pwmpin)
                 except IOError as e:
@@ -170,7 +176,7 @@ class PWMOut:
             attr,
         )
 
-        with open(path, "w") as f_attr:
+        with open(path, "w", encoding="utf-8") as f_attr:
             f_attr.write(value + "\n")
 
     def _read_pin_attr(self, attr):
@@ -184,7 +190,7 @@ class PWMOut:
             attr,
         )
 
-        with open(path, "r") as f_attr:
+        with open(path, "r", encoding="utf-8") as f_attr:
             return f_attr.read().strip()
 
     # Mutable properties