[lldb] Remove uses of six module (NFC)

With lldb (& llvm) requiring Python 3.6+, use of the `six` module can be removed.

Differential Revision: https://reviews.llvm.org/D131304

2 files changed, 3 insertions, 5 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py
index df1fd2c..1653910 100644
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py
@@ -59,8 +59,7 @@ class GdbRemoteTestCaseFactory(type):
         return super(GdbRemoteTestCaseFactory, cls).__new__(
                 cls, name, bases, newattrs)
 
-@add_metaclass(GdbRemoteTestCaseFactory)
-class GdbRemoteTestCaseBase(Base):
+class GdbRemoteTestCaseBase(Base, metaclass=GdbRemoteTestCaseFactory):
 
     # Default time out in seconds. The timeout is increased tenfold under Asan.
     DEFAULT_TIMEOUT =  20 * (10 if ('ASAN_OPTIONS' in os.environ) else 1)
diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py
index 82e1685..8e615ec 100644
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py
@@ -8,7 +8,6 @@ import os
 import os.path
 import platform
 import re
-import six
 import socket
 import subprocess
 from lldbsuite.support import seven
@@ -803,7 +802,7 @@ def process_is_running(pid, unknown_value=True):
         If we don't know how to check running process ids on the given OS:
         return the value provided by the unknown_value arg.
     """
-    if not isinstance(pid, six.integer_types):
+    if not isinstance(pid, int):
         raise Exception(
             "pid must be an integral type (actual type: %s)" % str(
                 type(pid)))
@@ -878,7 +877,7 @@ class Server(object):
     @staticmethod
     def _checksum(packet):
         checksum = 0
-        for c in six.iterbytes(packet):
+        for c in iter(packet):
             checksum += c
         return checksum % 256