misc: Run pre-commit run --all-files

This is reflect the updates made to black when running `pre-commit
autoupdate`.

Change-Id: Ifb7fea117f354c7f02f26926a5afdf7d67bc5919

src/python/m5/SimObject.py

@@ -1252,7 +1252,7 @@ class SimObject(object, metaclass=MetaSimObject):
         # The order of the dict is implementation dependent, so sort
         # it based on the key (name) to ensure the order is the same
         # on all hosts
-        for (name, child) in sorted(self._children.items()):
+        for name, child in sorted(self._children.items()):
             for obj in child.descendants():
                 yield obj
 
@@ -1275,7 +1275,7 @@ class SimObject(object, metaclass=MetaSimObject):
     def connectPorts(self):
         # Sort the ports based on their attribute name to ensure the
         # order is the same on all hosts
-        for (attr, portRef) in sorted(self._port_refs.items()):
+        for attr, portRef in sorted(self._port_refs.items()):
             portRef.ccConnect()
 
     # Default function for generating the device structure.

src/python/m5/params.py

@@ -453,6 +453,7 @@ VectorParam = ParamFactory(VectorParamDesc)
 #
 #####################################################################
 
+
 # String-valued parameter.  Just mixin the ParamValue class with the
 # built-in str class.
 class String(ParamValue, str):
@@ -1524,10 +1525,11 @@ class Time(ParamValue):
 # derive the new type from the appropriate base class on the fly.
 
 allEnums = {}
+
+
 # Metaclass for Enum types
 class MetaEnum(MetaParamValue):
     def __new__(mcls, name, bases, dict):
-
         cls = super().__new__(mcls, name, bases, dict)
         allEnums[name] = cls
         return cls
@@ -1963,6 +1965,7 @@ class MemoryBandwidth(float, ParamValue):
 # "Constants"... handy aliases for various values.
 #
 
+
 # Special class for NULL pointers.  Note the special check in
 # make_param_value() above that lets these be assigned where a
 # SimObject is required.
@@ -2030,6 +2033,7 @@ AllMemory = AddrRange(0, MaxAddr)
 #
 #####################################################################
 
+
 # Port reference: encapsulates a reference to a particular port on a
 # particular SimObject.
 class PortRef(object):
@@ -2371,6 +2375,7 @@ SlavePort = ResponsePort
 VectorMasterPort = VectorRequestPort
 VectorSlavePort = VectorResponsePort
 
+
 # 'Fake' ParamDesc for Port references to assign to the _pdesc slot of
 # proxy objects (via set_param_desc()) so that proxy error messages
 # make sense.

src/python/m5/simulate.py

@@ -65,6 +65,7 @@ _drain_manager = _m5.drain.DrainManager.instance()
 
 _instantiated = False  # Has m5.instantiate() been called?
 
+
 # The final call to instantiate the SimObject graph and initialize the
 # system.
 def instantiate(ckpt_dir=None):

src/python/m5/ticks.py

@@ -29,6 +29,7 @@ import decimal
 import sys
 from m5.util import warn
 
+
 # fix the global frequency
 def fixGlobalFrequency():
     import _m5.core

src/python/m5/util/__init__.py

@@ -48,6 +48,7 @@ from . import convert
 from .attrdict import attrdict, multiattrdict, optiondict
 from .multidict import multidict
 
+
 # panic() should be called when something happens that should never
 # ever happen regardless of what the user does (i.e., an acutal m5
 # bug).

src/python/m5/util/terminal_formatter.py

@@ -45,7 +45,6 @@ class TerminalFormatter:
         return w, h
 
     def __get_paragraphs(self, text, flatten=False):
-
         """
         This function takes a text and returns a list of constituent
         paragraphs, defining a paragraph as a block of text separated from