Fix get checks by tags (#29)

* generate proper checks' tags Set so filter works

* Fixe code on some examples

README.rst

@@ -159,9 +159,9 @@ Retreive maintenance windows for production websites in the last 7 days:
 .. code-block:: python
 
     >>> import datetime
-    >>> checks = client.get_checks(filters={"tags": ["production": "frontend"]})
+    >>> checks = client.get_checks(filters={"tags": ["production", "frontend"]})
     >>> start = datetime.datetime.now() - datetime.timedelta(days=7)
-    >>> client.get_maintenances(filters={"checks": checks, "after": start}):
+    >>> client.get_maintenances(filters={"checks": checks, "after": start})
 
 Create a 1 hour maintenance window for production websites:
 
@@ -170,7 +170,7 @@ Create a 1 hour maintenance window for production websites:
     >>> start = datetime.datetime.now() + datetime.timedelta(minutes=10)
     >>> end = start + datetime.timedelta(hours=1)
 
-    >>> window = client.create_maintenance(filters={"checks": checks, "name": "pypingdom test maintenance", "start": start, "stop": stop})
+    >>> window = client.create_maintenance({"checks": checks, "name": "pypingdom test maintenance", "start": start, "stop": end})
 
 Delete future maintenance windows:
 

pypingdom/client.py

@@ -46,7 +46,7 @@ def get_checks(self, filters=None):
             filters = {}
         res = []
         for _name, check in self.checks.items():
-            if "tags" in filters and len(set(filters["tags"]).intersection(set(check.tags))) == 0:
+            if "tags" in filters and len(set(filters["tags"]).intersection(set([x['name'] for x in check.tags]))) == 0:
                 continue
             res.append(check)
         return res