Formatting: Format all python code with black.

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BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/sysmon/osinfo_metrics.py b/scripts/sysmon/osinfo_metrics.py
index 966c44b..fbf4309 100644
--- a/scripts/sysmon/osinfo_metrics.py
+++ b/scripts/sysmon/osinfo_metrics.py
@@ -14,63 +14,64 @@
 
 
 _os_name_metric = metrics.StringMetric(
-    'proc/os/name',
-    description='OS name on the machine')
+    "proc/os/name", description="OS name on the machine"
+)
 
 _os_version_metric = metrics.StringMetric(
-    'proc/os/version',
-    description='OS version on the machine')
+    "proc/os/version", description="OS version on the machine"
+)
 
 _os_arch_metric = metrics.StringMetric(
-    'proc/os/arch',
-    description='OS architecture on this machine')
+    "proc/os/arch", description="OS architecture on this machine"
+)
 
 _python_arch_metric = metrics.StringMetric(
-    'proc/python/arch',
-    description='python userland architecture on this machine')
+    "proc/python/arch",
+    description="python userland architecture on this machine",
+)
 
 
 def collect_os_info():
-  os_info = _get_osinfo()
-  _os_name_metric.set(os_info.name)
-  _os_version_metric.set(os_info.version)
-  _os_arch_metric.set(platform.machine())
-  _python_arch_metric.set(_get_python_arch())
+    os_info = _get_osinfo()
+    _os_name_metric.set(os_info.name)
+    _os_version_metric.set(os_info.version)
+    _os_arch_metric.set(platform.machine())
+    _python_arch_metric.set(_get_python_arch())
 
 
-class OSInfo(collections.namedtuple('OSInfo', 'name,version')):
-  """namedtuple representing OS info (all fields lowercased)."""
+class OSInfo(collections.namedtuple("OSInfo", "name,version")):
+    """namedtuple representing OS info (all fields lowercased)."""
 
-  def __new__(cls, name, version):
-    return super(OSInfo, cls).__new__(cls, name.lower(), version.lower())
+    def __new__(cls, name, version):
+        return super(OSInfo, cls).__new__(cls, name.lower(), version.lower())
 
 
 def _get_osinfo():
-  """Get OS name and version.
+    """Get OS name and version.
 
-  Returns:
-    OSInfo instance
-  """
-  os_name = platform.system()
-  if os_name == 'Linux':
-    return _get_linux_osinfo()
-  else:
-    return OSInfo(name='', version='')
+    Returns:
+      OSInfo instance
+    """
+    os_name = platform.system()
+    if os_name == "Linux":
+        return _get_linux_osinfo()
+    else:
+        return OSInfo(name="", version="")
 
 
 def _get_linux_osinfo():
-  # will return something like ('Ubuntu', '14.04', 'trusty')
-  try:
-    # This is removed in Python 3.8+.
-    # pylint: disable=deprecated-method
-    os_name, os_version, _ = platform.dist()
-  except AttributeError:
-    os_name = os_version = ''
-  return OSInfo(name=os_name, version=os_version)
+    # will return something like ('Ubuntu', '14.04', 'trusty')
+    try:
+        # This is removed in Python 3.8+.
+        # pylint: disable=deprecated-method
+        os_name, os_version, _ = platform.dist()
+    except AttributeError:
+        os_name = os_version = ""
+    return OSInfo(name=os_name, version=os_version)
 
 
 def _get_python_arch():
-  if sys.maxsize > 2**32:
-    return '64'
-  else:
-    return '32'
+    if sys.maxsize > 2**32:
+        return "64"
+    else:
+        return "32"