diff --git a/.gitignore b/.gitignore
index f0e48e65805d..0fe206db7138 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@ build/
 
 # Test results
 TestResults/
+ENV_DIR/
 
 # tox generated artifacts
 test-junit-*.xml
diff --git a/build_package.py b/build_package.py
index cb0064c33d7a..b8d964826792 100644
--- a/build_package.py
+++ b/build_package.py
@@ -9,6 +9,7 @@
 import argparse
 import os
 import glob
+import sys
 from subprocess import check_call
 
 
@@ -19,8 +20,8 @@ def create_package(name, dest_folder=DEFAULT_DEST_FOLDER):
     absdirs = [os.path.dirname(package) for package in (glob.glob('{}/setup.py'.format(name)) + glob.glob('sdk/*/{}/setup.py'.format(name)))]
 
     absdirpath = os.path.abspath(absdirs[0])
-    check_call(['python', 'setup.py', 'bdist_wheel', '-d', dest_folder], cwd=absdirpath)
-    check_call(['python', 'setup.py', "sdist", "--format", "zip", '-d', dest_folder], cwd=absdirpath)
+    check_call([sys.executable, 'setup.py', 'bdist_wheel', '-d', dest_folder], cwd=absdirpath)
+    check_call([sys.executable, 'setup.py', "sdist", "--format", "zip", '-d', dest_folder], cwd=absdirpath)
 
 
 if __name__ == '__main__':
diff --git a/scripts/devops_tasks/build_packages.py b/scripts/devops_tasks/build_packages.py
index 3a8d221935b5..cc85c0df6f14 100644
--- a/scripts/devops_tasks/build_packages.py
+++ b/scripts/devops_tasks/build_packages.py
@@ -31,7 +31,7 @@ def build_packages(targeted_packages, distribution_directory, is_dev_build=False
         print("Generating Package Using Python {}".format(sys.version))
         run_check_call(
             [
-                "python",
+                sys.executable,
                 build_packing_script_location,
                 "--dest",
                 distribution_directory,
diff --git a/scripts/devops_tasks/test_regression.py b/scripts/devops_tasks/test_regression.py
index 1c69c07cc0a0..044de110532d 100644
--- a/scripts/devops_tasks/test_regression.py
+++ b/scripts/devops_tasks/test_regression.py
@@ -225,7 +225,7 @@ def _install_packages(self, dependent_pkg_path, pkg_to_exclude):
         working_dir = self.context.package_root_path
         temp_dir = self.context.temp_path
 
-        list_to_exclude = [pkg_to_exclude,]
+        list_to_exclude = [pkg_to_exclude, 'azure-sdk-tools', ]
         installed_pkgs = [p.split('==')[0] for p in get_installed_packages(self.context.venv.lib_paths) if p.startswith('azure-')]
         logging.info("Installed azure sdk packages:{}".format(installed_pkgs))
 
@@ -253,6 +253,10 @@ def _install_packages(self, dependent_pkg_path, pkg_to_exclude):
             logging.info("Not extending dev requirements {} {}".format(filtered_dev_req_path, self.context.is_latest_depend_test))
 
         if filtered_dev_req_path:
+            logging.info("Extending dev requirement to include azure-sdk-tools")
+            extend_dev_requirements(
+                filtered_dev_req_path, ["../../../tools/azure-sdk-tools"]
+            )
             logging.info(
                 "Installing filtered dev requirements from {}".format(filtered_dev_req_path)
             )