diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 65c9cd1..c289ff2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -13,7 +13,7 @@ repos:
   hooks:
   - id: isort
 
-- repo: https://gitlab.com/PyCQA/flake8
+- repo: https://github.com/PyCQA/flake8
   rev: 4.0.1
   hooks:
   - id: flake8
diff --git a/doc/source/integration.rst b/doc/source/integration.rst
index ac55e4c..46f3500 100644
--- a/doc/source/integration.rst
+++ b/doc/source/integration.rst
@@ -29,7 +29,7 @@ Instead of:
 
    if pypim.is_configured():
        pim = pypim.connect()
-       instance = pypim.create_instance(product_name="mapdl")
+       instance = pim.create_instance(product_name="mapdl")
        channel = instance.build_grpc_channel(
            options=[("grpc.max_receive_message_length", 8 * 1024**2)]
        )
@@ -105,7 +105,7 @@ Typically, the resulting code looks like this:
    def launch_my_product(self, ...):
        if pypim.is_configured() and not user_has_specified_how_to_launch_the_product:
            pim = pypim.connect()
-           self.instance = pypim.create_instance("my_product_name")
+           self.instance = pim.create_instance("my_product_name")
            self.instance.wait_for_ready()
            channel = self.instance.build_grpc_channel()
        else:
diff --git a/requirements/requirements_tests.txt b/requirements/requirements_tests.txt
index f6de369..a250aaf 100644
--- a/requirements/requirements_tests.txt
+++ b/requirements/requirements_tests.txt
@@ -3,3 +3,4 @@ pytest-cov>=3.0.0
 ansys-api-platform-instancemanagement>=1.0.0b1
 grpcio-testing
 grpcio-health-checking
+six~=1.16
\ No newline at end of file