Fix linting errors

Removes extra white space in parameters in session_test.py and changes conditional formatting in shopify/session.py.

Author: tylerj117

shopify/session.py

@@ -54,10 +54,12 @@ def __init__(self, shop_url, version=None, token=None, access_scopes=None):
         return
 
     def create_permission_url(self, redirect_uri, scope=None, state=None):
-        query_params = dict(client_id=self.api_key, redirect_uri=redirect_uri)
+        query_params = {"client_id": self.api_key, "redirect_uri": redirect_uri}
         # `scope` should be omitted if provided by app's TOML
-        if scope: query_params["scope"] = ",".join(scope)
-        if state: query_params["state"] = state
+        if scope:
+            query_params["scope"] = ",".join(scope)
+        if state:
+            query_params["state"] = state
         return "https://%s/admin/oauth/authorize?%s" % (self.url, urllib.parse.urlencode(query_params))
 
     def request_token(self, params):

test/session_test.py

@@ -148,7 +148,7 @@ def test_create_permission_url_returns_correct_url_with_redirect_uri_and_single_
         shopify.Session.setup(api_key="My_test_key", secret="My test secret")
         session = shopify.Session("http://localhost.myshopify.com", "unstable")
         scope = ["write_customers"]
-        permission_url = session.create_permission_url( "my_redirect_uri.com", scope=scope, state="mystate")
+        permission_url = session.create_permission_url("my_redirect_uri.com", scope=scope, state="mystate")
         self.assertEqual(
             "https://localhost.myshopify.com/admin/oauth/authorize?client_id=My_test_key&redirect_uri=my_redirect_uri.com&scope=write_customers&state=mystate",
             self.normalize_url(permission_url),