indentation fixes

Author: Yulia Burykina

examples/number_available_list.py

@@ -52,4 +52,4 @@
 
 except Exception as e:
     print('\nAn ', e.__class__, ' exception occurred while :')
-    print(e)
+    print(e)

examples/number_purchase.py

@@ -44,4 +44,4 @@
 
 except Exception as e:
     print('\nAn ', e.__class__, ' exception occurred while :')
-    print(e)
+    print(e)

examples/number_purchased.py

@@ -56,3 +56,4 @@
     print(e)
 
 
+

examples/number_purchased_list.py

@@ -75,3 +75,4 @@
     print(e)
 
 
+

examples/number_update.py

@@ -46,4 +46,4 @@
 
 except Exception as e:
     print('\nAn ', e.__class__, ' exception occurred while :')
-    print(e)
+    print(e)

messagebird/client.py

@@ -538,4 +538,4 @@ def generate_voice_calls_url(call_id=None, leg_id=None, recording_id=None):
         uri += str(call_id) + '/' + VOICE_LEGS_PATH + '/' + str(leg_id) + '/' + VOICE_RECORDINGS_PATH
         if recording_id:
             uri += '/' + str(recording_id) + '/' + VOICE_TRANSCRIPTIONS_PATH
-        return uri
+        return uri