diff --git a/.github/workflows/pythonpackage-linux.yml b/.github/workflows/pythonpackage-linux.yml
index dc07c9009..05717cf20 100644
--- a/.github/workflows/pythonpackage-linux.yml
+++ b/.github/workflows/pythonpackage-linux.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        python-version: [2.7, 3.6, 3.7]
+        python-version: [2.7, 3.6, 3.7, 3.8]
         os: [ubuntu-latest]
 
     steps:
diff --git a/.github/workflows/pythonpackage-windows.yml b/.github/workflows/pythonpackage-windows.yml
index 382219469..b05d7c2ae 100644
--- a/.github/workflows/pythonpackage-windows.yml
+++ b/.github/workflows/pythonpackage-windows.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        python-version: [2.7, 3.6, 3.7]
+        python-version: [2.7, 3.6, 3.7, 3.8]
         os: [windows-latest]
 
     steps:
diff --git a/minio/helpers.py b/minio/helpers.py
index fa5c36d25..e0f670195 100644
--- a/minio/helpers.py
+++ b/minio/helpers.py
@@ -116,7 +116,7 @@ def dump_http(method, url, request_headers, response, output_stream):
                                                     http_path))
 
     for k, v in list(request_headers.items()):
-        if k is 'authorization':
+        if k == 'authorization':
             # Redact signature header value from trace logs.
             v = re.sub(r'Signature=([[0-9a-f]+)', 'Signature=*REDACTED*', v)
         output_stream.write('{0}: {1}\n'.format(k.title(), v))