switch back to upstream PyO3 repo

Author: programmerjake

Cargo.toml

@@ -29,10 +29,8 @@ rand_pcg = "0.1.1"
 lazy_static = "1.4"
 
 [dependencies.pyo3]
-# switch back to PyO3/pyo3 when
-# https://github.com/PyO3/pyo3/pull/630 lands;
 # switch to crates.io version once new version is published
-git = "https://github.com/programmerjake/pyo3.git"
-rev = "f55037c3779521520971cd528b05680b283e440c"
+git = "https://github.com/PyO3/pyo3.git"
+rev = "6a89a904e3ce01e9cd3087a540b3604de4119e34"
 optional = true
 features = ["num-bigint"]