Fixes talkpython#5

Author: mikeckennedy

src/04-asyncio/web_scraping/async_scrape/program.py

@@ -4,6 +4,10 @@
 import bs4
 from colorama import Fore
 
+# Older versions of python require calling loop.create_task() rather than on asyncio.
+# Make this available more easily.
+global loop
+
 
 async def get_html(episode_number: int) -> str:
     print(Fore.YELLOW + f"Getting HTML for episode {episode_number}", flush=True)
@@ -28,6 +32,7 @@ def get_title(html: str, episode_number: int) -> str:
 
 
 def main():
+    global loop
     loop = asyncio.get_event_loop()
     loop.run_until_complete(get_title_range())
     print("Done.")
@@ -46,7 +51,7 @@ async def get_title_range():
 
     tasks = []
     for n in range(150, 160):
-        tasks.append((n, asyncio.create_task(get_html(n))))
+        tasks.append((n, loop.create_task(get_html(n))))
 
     for n, t in tasks:
         html = await t