fix some type errors

tests/test_dataDistribution.py

@@ -45,13 +45,11 @@ class TestDataDistribution(unittest.TestCase):
                                             ignore_osd_capacities=True)
 
             osds_felix = distribution_felix.get_osd_list()
-            osds_felix_total_folder_sizes = list(map(lambda x: x.total_folder_size, osds_felix))
+            osds_felix_total_folder_sizes = list(map(lambda x: distribution_felix.OSDs[x].total_folder_size, osds_felix))
 
             osds_farouk = distribution_farouk.get_osd_list()
-            osds_farouk_total_folder_sizes = list(map(lambda x: x.total_folder_size, osds_farouk))
+            osds_farouk_total_folder_sizes = list(map(lambda x: distribution_farouk.OSDs[x].total_folder_size, osds_farouk))
 
-            print('felix[0]: ' + str(osds_felix_total_folder_sizes[0]))
-            print('farouk[0]: ' + str(osds_farouk_total_folder_sizes[0]))
 
             if osds_felix_total_folder_sizes[0] != osds_farouk_total_folder_sizes[0]:
                 felix_and_farouk_different = True
@@ -80,8 +78,7 @@ class TestDataDistribution(unittest.TestCase):
 def create_test_osd_list(num_osds):
     test_osds = []
     for i in range(0, num_osds):
-        new_osd = osd.OSD(osd_id_prefix + str(i))
-        test_osds.append(new_osd)
+        test_osds.append(osd_id_prefix + str(i))
     return test_osds