Fix missing boto3 session forwarding.

Author: igorborgest

awswrangler/redshift.py

@@ -1228,7 +1228,7 @@ def copy(  # pylint: disable=too-many-arguments
     path = path[:-1] if path.endswith("*") else path
     path = path if path.endswith("/") else f"{path}/"
     session: boto3.Session = _utils.ensure_session(session=boto3_session)
-    if s3.list_objects(path=path):
+    if s3.list_objects(path=path, boto3_session=session):
         raise exceptions.InvalidArgument(
             f"The received S3 path ({path}) is not empty. "
             "Please, provide a different path or use wr.s3.delete_objects() to clean up the current one."

tox.ini

@@ -4,18 +4,18 @@ envlist = py{36,37,38}
 [testenv]
 passenv = AWS_PROFILE AWS_DEFAULT_REGION AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY
 deps =
-       pytest==6.1.2
-       pytest-xdist==2.1.0
+       pytest==6.2.1
+       pytest-xdist==2.2.0
        pytest-timeout==1.4.2
        moto==1.3.16
        s3fs==0.4.2
 commands =
-       pytest -n 64 --timeout=300 tests
+       pytest -n 32 --timeout=300 tests
 
 [testenv:py38]
 passenv = AWS_PROFILE AWS_DEFAULT_REGION AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY
 deps =
        {[testenv]deps}
        pytest-cov==2.10.1
 commands =
-       pytest -n 64 --timeout=300 --cov=awswrangler tests
+       pytest -n 32 --timeout=300 --cov=awswrangler tests