Refactor the code of osccore-qa-testing-tools  to comply with PEP8.

Related-prod: PRODX-42195
Change-Id: Id05e7584e0d024127ce1bd5042cfe681a1b52e2d
diff --git a/update_testrail_xml/client.py b/update_testrail_xml/client.py
index 94bc5f6..a1b45a9 100644
--- a/update_testrail_xml/client.py
+++ b/update_testrail_xml/client.py
@@ -1,4 +1,5 @@
 from __future__ import absolute_import
+
 import logging
 import time
 
@@ -6,7 +7,7 @@
 
 logger = logging.getLogger(__name__)
 
-requests_logger = logging.getLogger('requests.packages.urllib3')
+requests_logger = logging.getLogger("requests.packages.urllib3")
 requests_logger.setLevel(logging.WARNING)
 
 
@@ -17,8 +18,10 @@
 
     def find_all(self, **kwargs):
         filtered = ItemSet(
-            x for x in self
-            if all(getattr(x, k) == v for k, v in kwargs.items()))
+            x
+            for x in self
+            if all(getattr(x, k) == v for k, v in kwargs.items())
+        )
         filtered._item_class = self._item_class
         return filtered
 
@@ -32,8 +35,8 @@
 
 class Collection(object):
 
-    _list_url = 'get_{name}s'
-    _add_url = 'add_{name}'
+    _list_url = "get_{name}s"
+    _add_url = "add_{name}"
 
     def __init__(self, item_class=None, parent_id=None, **kwargs):
         self._item_class = item_class
@@ -46,12 +49,12 @@
         name = self._item_class._api_name()
         if id is None:
             items = self._list(name)
-            if 'error' in items:
+            if "error" in items:
                 raise Exception(items)
-            if name == 'project':
-                items = items['projects']
-            if name == 'case':
-                items = items['cases']
+            if name == "project":
+                items = items["projects"]
+            if name == "case":
+                items = items["cases"]
             items = ItemSet(self._to_object(x) for x in items)
             items._item_class = self._item_class
             return items
@@ -60,7 +63,7 @@
             return self._item_class.get(id)
 
     def __repr__(self):
-        return '<Collection of {}>'.format(self._item_class.__name__)
+        return "<Collection of {}>".format(self._item_class.__name__)
 
     def _to_object(self, data):
         return self._item_class(**data)
@@ -69,8 +72,8 @@
         params = params or {}
         url = self._list_url.format(name=name)
         if self.parent_id is not None:
-            url += '/{}'.format(self.parent_id)
-        return self._handler('GET', url, params=params)
+            url += "/{}".format(self.parent_id)
+        return self._handler("GET", url, params=params)
 
     def find_all(self, **kwargs):
         return self().find_all(**kwargs)
@@ -92,10 +95,10 @@
 
 
 class Item(object):
-    _get_url = 'get_{name}/{id}'
-    _update_url = 'update_{name}/{id}'
+    _get_url = "get_{name}/{id}"
+    _update_url = "update_{name}/{id}"
     _handler = None
-    _repr_field = 'name'
+    _repr_field = "name"
 
     def __init__(self, id=None, **kwargs):
         self.id = id
@@ -112,29 +115,30 @@
             raise AttributeError
 
     def __setattr__(self, name, value):
-        if '_data' in self.__dict__ and name not in self.__dict__:
-            self.__dict__['_data'][name] = value
+        if "_data" in self.__dict__ and name not in self.__dict__:
+            self.__dict__["_data"][name] = value
         else:
             self.__dict__[name] = value
 
     def __repr__(self):
-        name = getattr(self, self._repr_field, '')
+        name = getattr(self, self._repr_field, "")
         name = repr(name)
-        return '<{c.__name__}({s.id}) {name} at 0x{id:x}>'.format(
-            s=self, c=self.__class__, id=id(self), name=name)
+        return "<{c.__name__}({s.id}) {name} at 0x{id:x}>".format(
+            s=self, c=self.__class__, id=id(self), name=name
+        )
 
     @classmethod
     def get(cls, id):
         name = cls._api_name()
         url = cls._get_url.format(name=name, id=id)
-        result = cls._handler('GET', url)
-        if 'error' in result:
+        result = cls._handler("GET", url)
+        if "error" in result:
             raise Exception(result)
         return cls(**result)
 
     def update(self):
         url = self._update_url.format(name=self._api_name(), id=self.id)
-        self._handler('POST', url, json=self.data)
+        self._handler("POST", url, json=self.data)
 
     @property
     def data(self):
@@ -152,8 +156,10 @@
     def cases(self):
         return CaseCollection(
             Case,
-            _list_url='get_cases/{}&suite_id={}'.format(self.project_id,
-                                                        self.id))
+            _list_url="get_cases/{}&suite_id={}".format(
+                self.project_id, self.id
+            ),
+        )
 
 
 class CaseCollection(Collection):
@@ -165,18 +171,20 @@
 
 
 class Plan(Item):
-    def __init__(self,
-                 name,
-                 description=None,
-                 milestone_id=None,
-                 entries=None,
-                 id=None,
-                 **kwargs):
+    def __init__(
+        self,
+        name,
+        description=None,
+        milestone_id=None,
+        entries=None,
+        id=None,
+        **kwargs
+    ):
         add_kwargs = {
-            'name': name,
-            'description': description,
-            'milestone_id': milestone_id,
-            'entries': entries or [],
+            "name": name,
+            "description": description,
+            "milestone_id": milestone_id,
+            "entries": entries or [],
         }
         kwargs.update(add_kwargs)
         return super(self.__class__, self).__init__(id, **kwargs)
@@ -186,14 +194,14 @@
     def __init__(self, base_url, username, password):
         self.username = username
         self.password = password
-        self.base_url = base_url.rstrip('/') + '/index.php?/api/v2/'
+        self.base_url = base_url.rstrip("/") + "/index.php?/api/v2/"
 
         Item._handler = self._query
 
     def _query(self, method, url, **kwargs):
         url = self.base_url + url
-        headers = {'Content-type': 'application/json'}
-        logger.debug('Make {} request to {}'.format(method, url))
+        headers = {"Content-type": "application/json"}
+        logger.debug("Make {} request to {}".format(method, url))
         for _ in range(5):
             response = requests.request(
                 method,
@@ -201,7 +209,8 @@
                 allow_redirects=False,
                 auth=(self.username, self.password),
                 headers=headers,
-                **kwargs)
+                **kwargs
+            )
             # To many requests
             if response.status_code == 429:
                 time.sleep(60)
@@ -210,13 +219,15 @@
                 break
         # Redirect or error
         if response.status_code >= 300:
-            raise requests.HTTPError("Wrong response:\n"
-                                     "status_code: {0.status_code}\n"
-                                     "headers: {0.headers}\n"
-                                     "content: '{0.content}'".format(response),
-                                     response=response)
+            raise requests.HTTPError(
+                "Wrong response:\n"
+                "status_code: {0.status_code}\n"
+                "headers: {0.headers}\n"
+                "content: '{0.content}'".format(response),
+                response=response,
+            )
         result = response.json()
-        if 'error' in result:
+        if "error" in result:
             logger.warning(result)
         return result
 
@@ -231,8 +242,9 @@
         self.conditions = conditions
 
     def __str__(self):
-        conditions = ', '.join(['{}="{}"'.format(x, y)
-                               for (x, y) in self.conditions.items()])
-        return u'{type} with {conditions}'.format(
-            type=self.item_class._api_name().title(),
-            conditions=conditions)
\ No newline at end of file
+        conditions = ", ".join(
+            ['{}="{}"'.format(x, y) for (x, y) in self.conditions.items()]
+        )
+        return "{type} with {conditions}".format(
+            type=self.item_class._api_name().title(), conditions=conditions
+        )