Addressing codacy issues

cachet_url_monitor/configuration.py

@@ -294,9 +294,10 @@ class Expectaction(object):
 
 class HttpStatus(Expectaction):
     def __init__(self, configuration):
-        self.status_range = self.parse_range(configuration['status_range'])
+        self.status_range = HttpStatus.parse_range(configuration['status_range'])
 
-    def parse_range(self, range_string):
+    @staticmethod
+    def parse_range(range_string):
         statuses = range_string.split("-")
         if len(statuses) == 1:
             # When there was no range given, we should treat the first number as a single status check.

tests/test_expectation.py

@@ -66,7 +66,7 @@ class HttpStatusTest(unittest.TestCase):
 
     def test_init_with_invalid_number(self):
         """Invalid values should just fail with a ValueError, as we can't convert it to int."""
-        with pytest.raises(ValueError) as excinfo:
+        with pytest.raises(ValueError):
             self.expectation = HttpStatus({'type': 'HTTP_STATUS', 'status_range': "foo"})
 
     def test_get_status_healthy(self):

tests/test_latency_unit.py

@@ -1,18 +1,19 @@
 #!/usr/bin/env python
-import unittest
 
 from cachet_url_monitor.latency_unit import convert_to_unit
 
 
-class ConfigurationTest(unittest.TestCase):
+def test_convert_to_unit_ms():
-    def test_convert_to_unit_ms(self):
     assert convert_to_unit("ms", 1) == 1000
 
-    def test_convert_to_unit_s(self):
+
+def test_convert_to_unit_s():
     assert convert_to_unit("s", 20) == 20
 
-    def test_convert_to_unit_m(self):
+
+def test_convert_to_unit_m():
     assert convert_to_unit("m", 3) == float(3) / 60
 
-    def test_convert_to_unit_h(self):
+
+def test_convert_to_unit_h():
     assert convert_to_unit("h", 7200) == 2