Fix instance_type.find method to return an actual object vs. a generator (as per docstring)

cloudbridge/cloud/base.py

@@ -753,7 +753,8 @@ class BaseInstanceTypesService(
     def find(self, **kwargs):
         name = kwargs.get('name')
         if name:
-            return (itype for itype in self.list() if itype.name == name)
+            return next((itype for itype in self.list() if itype.name == name),
+                        None)
         else:
             raise TypeError(
                 "Invalid parameters for search. Supported attributes: {name}")