Don't warn if user is not an administrator

waternsw_grabber/waternsw_grabber.py

@@ -116,10 +116,7 @@ def get_telemetered_bore(driver, bore_id, start_date, end_date):
 
 
 def open_browser(download_dir):
-    # Warn if user does not have admin privileges
-    if not has_admin():
-        warnings.warn('This program should be run as an administrator.')
-
+    # Set up Firefox to silently download files to specified folder
     profile = webdriver.FirefoxProfile()
     profile.set_preference('browser.download.folderList', 2)
     profile.set_preference('browser.download.manager.showWhenStarting', False)
@@ -130,9 +127,11 @@ def open_browser(download_dir):
                             'application/x-zip-compressed,'
                             'multipart/x-zip'))
 
+    # Create download folder if it does not exist
+    os.makedirs(download_dir, exist_ok=True)
+
     # Open browser
     driver = webdriver.Firefox(firefox_profile=profile)
-
     url = 'https://realtimedata.waternsw.com.au/water.stm'
     driver.get(url)