correct inaccurate NTD extract object name (#3464)

* fix inaccurate NTD object extract name

* clarify description

* revise time zone name

airflow/dags/sync_ntd_data_api/METADATA.yml

@@ -1,5 +1,5 @@
 description: "Scrape NTD endpoints from DOT API monthly"
-schedule_interval: "0 11 1 * *" # 11am GMT first day of every month
+schedule_interval: "0 11 1 * *" # 11am UTC first day of every month
 tags:
   - all_gusty_features
 default_args:

airflow/dags/sync_ntd_data_xlsx/METADATA.yml

@@ -1,5 +1,5 @@
 description: "Scrape tables from DOT Ridership XLSX file daily"
-schedule_interval: "0 10 * * *" # 10am GMT every day
+schedule_interval: "0 10 * * *" # 10am UTC every day
 tags:
   - all_gusty_features
 default_args:

airflow/plugins/operators/scrape_ntd_api.py

@@ -69,7 +69,7 @@ def fetch_from_ntd_api(self):
             raise
 
 
-class CSVExtract(NtdDataProductAPIExtract):
+class JSONExtract(NtdDataProductAPIExtract):
     bucket = API_BUCKET
 
 
@@ -90,12 +90,12 @@ def __init__(
         self.root_url = root_url
         self.endpoint_id = endpoint_id
         self.file_format = file_format
-        """An operator that downloads all data from a NTD API
-            and saves it as one CSV file hive-partitioned by date in Google Cloud
+        """An operator that extracts and saves JSON data from the NTD API
+            and saves it as one JSONL file, hive-partitioned by date in Google Cloud
         """
 
-        # Save CSV files to the bucket
-        self.extract = CSVExtract(
+        # Save JSONL files to the bucket
+        self.extract = JSONExtract(
             year=self.year,
             product=self.product + "/" + self.year,
             root_url=self.root_url,