[PATCH] Update gdb to black 22.6.0

[Tom Tromey]

I couldn't get black 21.12b0 to work correctly -- it always errored,
even with just "--version" -- so instead I make a virtualenv with the
latest release.  Running it on gdb yielded two minor changes.
---
 gdb/python/lib/gdb/__init__.py             | 7 ++++---
 gdb/testsuite/gdb.python/py-send-packet.py | 6 ++++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/gdb/python/lib/gdb/__init__.py b/gdb/python/lib/gdb/__init__.py
index 9e9978ef30e..5b10e3e2381 100644
--- a/gdb/python/lib/gdb/__init__.py
+++ b/gdb/python/lib/gdb/__init__.py
@@ -30,7 +30,8 @@ from _gdb import *
 # Historically, gdb.events was always available, so ensure it's
 # still available without an explicit import.
 import _gdbevents as events
-sys.modules['gdb.events'] = events
+
+sys.modules["gdb.events"] = events
 
 
 class _GdbFile(object):
@@ -243,9 +244,9 @@ def set_parameter(name, value):
     # can return them, but they can't be passed to 'set' this way.
     if isinstance(value, bool):
         if value:
-            value = 'on'
+            value = "on"
         else:
-            value = 'off'
+            value = "off"
     execute("set " + name + " " + str(value), to_string=True)
 
 
diff --git a/gdb/testsuite/gdb.python/py-send-packet.py b/gdb/testsuite/gdb.python/py-send-packet.py
index ae70b852538..26deeb1e40d 100644
--- a/gdb/testsuite/gdb.python/py-send-packet.py
+++ b/gdb/testsuite/gdb.python/py-send-packet.py
@@ -114,10 +114,12 @@ def check_global_var(expected_val):
     if val != expected_val:
         raise gdb.GdbError("global_var is 0x%x, expected 0x%x" % (val, expected_val))
 
+
 # Return a bytes object representing an 'X' packet header with
 # address ADDR.
-def xpacket_header (addr):
-    return ("X%x,4:" % addr).encode('ascii')
+def xpacket_header(addr):
+    return ("X%x,4:" % addr).encode("ascii")
+
 
 # Set the 'X' packet to the remote target to set a global variable.
 # Checks that we can send byte values.
-- 
2.34.1