Update DictionaryLookup.py

Author: v-jasowells

DictionaryLookup.py

@@ -12,7 +12,7 @@
 key_var_name = 'TRANSLATOR_TEXT_SUBSCRIPTION_KEY'
 if not key_var_name in os.environ:
     raise Exception('Please set/export the environment variable: {}'.format(key_var_name))
-subscriptionKey = os.environ[key_var_name]
+subscription_key = os.environ[key_var_name]
 
 endpoint_var_name = 'TRANSLATOR_TEXT_ENDPOINT'
 if not endpoint_var_name in os.environ:
@@ -26,7 +26,7 @@
 constructed_url = endpoint + path + params
 
 headers = {
-    'Ocp-Apim-Subscription-Key': subscriptionKey,
+    'Ocp-Apim-Subscription-Key': subscription_key,
     'Content-type': 'application/json',
     'X-ClientTraceId': str(uuid.uuid4())
 }