Fix style and remove unused variable

Author: joowani

.travis.yml

@@ -14,8 +14,11 @@ before_install:
     - docker cp tests/static/keyfile arango:/tmp/keyfile
     - docker start arango
 install:
-    - pip install flake8 mock
-    - pip install pytest pytest-cov coveralls
+    - pip install pytest==4.6.11
+    - pip install pytest-cov==2.10.0
+    - pip install coveralls==2.0.0
+    - pip install mock
+    - pip install flake8
     - pip install sphinx sphinx_rtd_theme
     - pip install .
 script:

arango/formatter.py

@@ -812,7 +812,8 @@ def format_view(body):  # pragma: no cover
         result['writebuffer_max_size'] = body['writebufferSizeMax']
     if 'links' in body:
         result['links'] = {
-            name: format_view_link(link) for name, link in body['links'].items()
+            name: format_view_link(link)
+            for name, link in body['links'].items()
         }
 
     return verify_format(body, result)

tests/test_view.py

@@ -9,30 +9,28 @@
     ViewReplaceError,
     ViewUpdateError
 )
-from tests.helpers import assert_raises, generate_view_name, generate_col_name
+from tests.helpers import assert_raises, generate_view_name
 
 
-def test_view_management(db, bad_db, cluster):
+def test_view_management(db, bad_db, col, cluster):
     # Test create view
     view_name = generate_view_name()
     bad_view_name = generate_view_name()
     view_type = 'arangosearch'
 
-    col_name = generate_col_name()
-    col = db.create_collection(
-        name=col_name
-    )
-
     result = db.create_view(
         view_name,
         view_type,
-        {'consolidationIntervalMsec': 50000, "links": {col_name: {}}}
+        {
+            'consolidationIntervalMsec': 50000,
+            'links': {col.name: {}}
+        }
     )
     assert 'id' in result
     assert result['name'] == view_name
     assert result['type'] == view_type
     assert result['consolidation_interval_msec'] == 50000
-    assert col_name in result["links"]
+    assert col.name in result["links"]
 
     view_id = result['id']