[PATCH v2 2/2] .pytool: Avoid "is" with a literal Python 3.8 warnings in CI plugins

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2304

To avoid SyntaxWarning with Python 3.8, change the 'is' operator
by the conventional '==' comparator.

Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
---
 .pytool/Plugin/DscCompleteCheck/DscCompleteCheck.py   | 2 +-
 .pytool/Plugin/LibraryClassCheck/LibraryClassCheck.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.pytool/Plugin/DscCompleteCheck/DscCompleteCheck.py b/.pytool/Plugin/DscCompleteCheck/DscCompleteCheck.py
index e2485f570841..9af4f72c8de3 100644
--- a/.pytool/Plugin/DscCompleteCheck/DscCompleteCheck.py
+++ b/.pytool/Plugin/DscCompleteCheck/DscCompleteCheck.py
@@ -61,7 +61,7 @@ class DscCompleteCheck(ICiBuildPlugin):
         abs_dsc_path = os.path.join(abs_pkg_path, pkgconfig["DscPath"].strip())
         wsr_dsc_path = Edk2pathObj.GetEdk2RelativePathFromAbsolutePath(abs_dsc_path)
 
-        if abs_dsc_path is None or wsr_dsc_path is "" or not os.path.isfile(abs_dsc_path):
+        if abs_dsc_path is None or wsr_dsc_path == "" or not os.path.isfile(abs_dsc_path):
             tc.SetSkipped()
             tc.LogStdError("Package Dsc not found")
             return 0
diff --git a/.pytool/Plugin/LibraryClassCheck/LibraryClassCheck.py b/.pytool/Plugin/LibraryClassCheck/LibraryClassCheck.py
index 5dafcbc13f8a..a62a7e912b15 100644
--- a/.pytool/Plugin/LibraryClassCheck/LibraryClassCheck.py
+++ b/.pytool/Plugin/LibraryClassCheck/LibraryClassCheck.py
@@ -67,7 +67,7 @@ class LibraryClassCheck(ICiBuildPlugin):
         abs_dec_path = self.__GetPkgDec(abs_pkg_path)
         wsr_dec_path = Edk2pathObj.GetEdk2RelativePathFromAbsolutePath(abs_dec_path)
 
-        if abs_dec_path is None or wsr_dec_path is "" or not os.path.isfile(abs_dec_path):
+        if abs_dec_path is None or wsr_dec_path == "" or not os.path.isfile(abs_dec_path):
             tc.SetSkipped()
             tc.LogStdError("No DEC file {0} in package {1}".format(abs_dec_path, abs_pkg_path))
             return -1
-- 
2.21.0