How to fix RuntimeError: This event loop is already running in Python
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We're excited to share with you our newest video, "How to solve RuntimeError: This event loop is already running in Python". 🎥 This series is meticulously designed to arm you with knowledge 🧠 and skills 🛠️ to overcome frequent coding challenges.
Today, we will decipher 🔎 and resolve a common error faced by Python coders: the bit hard to solve RuntimeError: This event loop is already running. Here is a snapshot of the code of the video:
Troubling Scenario: ❗️
import asyncio
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.sleep(1))
loop.run_until_complete(asyncio.sleep(1))
Unwanted Result: 🚫
RuntimeError: This event loop is already running
Effective Resolution: ✔️
import asyncio
async def main():
await asyncio.sleep(1)
await asyncio.sleep(1)
asyncio.run(main())
Desired Output: 🏁
In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: The error is due to attempting to run an already running event loop. The fix involves writing async functions and using asyncio.run() to execute them. 🎯
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