.env handling and flake8 fix

Author: dan-amzulescu

.gitignore

@@ -61,7 +61,7 @@ docs/_build/
 # PyBuilder
 target/
 cloudshell_config.yml
-shells/generic_terraform_service/tests/.env
-tests/.env
-shells/backends/azure_tf_backend/tests/.env
-package/tests/integration_tests/int_tests_secrets.env
+
+# env files
+*.env
+!*.template.env

package/cloudshell/iac/terraform/services/provider_handler.py

@@ -1,13 +1,12 @@
-import os
 from logging import Logger
 
 from cloudshell.api.cloudshell_api import ResourceInfo
 
 from cloudshell.iac.terraform.constants import AZURE2G_MODEL, ATTRIBUTE_NAMES, AWS2G_MODEL, CLP_PROVIDER_MODELS, \
     AWS1G_MODEL, AZURE1G_MODEL
 from cloudshell.iac.terraform.models.shell_helper import ShellHelperObject
-from cloudshell.iac.terraform.services.clp_envvar_handler import BaseCloudProviderEnvVarHandler, \
-    AWSCloudProviderEnvVarHandler, AzureCloudProviderEnvVarHandler
+from cloudshell.iac.terraform.services.clp_envvar_handler import AWSCloudProviderEnvVarHandler, \
+    AzureCloudProviderEnvVarHandler
 
 
 class ProviderHandler(object):