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Diffstat (limited to 'python/nest_asyncio/README')
| -rw-r--r-- | python/nest_asyncio/README | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/python/nest_asyncio/README b/python/nest_asyncio/README new file mode 100644 index 0000000000..212658bb31 --- /dev/null +++ b/python/nest_asyncio/README @@ -0,0 +1,10 @@ +By design asyncio does not allow its event loop to be nested. This presents a +practical problem: When in an environment where the event loop is already +running it's impossible to run tasks and wait for the result. Trying to do so +will give the error "RuntimeError: This event loop is already running". + +The issue pops up in various environments, such as web servers, GUI +applications and in Jupyter notebooks. + +This module patches asyncio to allow nested use of asyncio.run and +loop.run_until_complete. |