Replace list() and dict() with literals (Azure#38583)

Author: atombrella

scripts/dev_setup.py

@@ -5,8 +5,6 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-from __future__ import print_function
-
 import sys
 import glob
 import os

scripts/release_helper/main.py

@@ -89,7 +89,7 @@ def main():
     issues = collect_open_issues()
     language = os.getenv('LANGUAGE')
     languages = {_CONVERT[language]: _LANGUAGES[_CONVERT[language]]} if language in _CONVERT else _LANGUAGES
-    result = dict()
+    result = {}
     for language in languages:
         try:
             language_issues = select_language_issues(issues, language)

sdk/core/azure-core/azure/core/utils/_pipeline_transport_rest_shared.py

@@ -4,7 +4,6 @@
 # Licensed under the MIT License. See License.txt in the project root for
 # license information.
 # --------------------------------------------------------------------------
-from __future__ import absolute_import
 from collections.abc import Mapping
 
 from io import BytesIO

sdk/core/azure-core/tests/testserver_tests/coretestserver/coretestserver/test_routes/helpers.py

@@ -63,7 +63,7 @@ def get_url(request):
 def get_files():
     """Returns files dict from request context."""
 
-    files = dict()
+    files = {}
 
     for k, v in request.files.items():
         content_type = request.files[k].content_type or "application/octet-stream"
@@ -152,7 +152,7 @@ def get_dict(*keys, **extras):
         method=request.method,
     )
 
-    out_d = dict()
+    out_d = {}
 
     for key in keys:
         out_d[key] = d.get(key)