Bump PyO3 dependency to version 0.16.

Author: adamreichold

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 - Unreleased
+  - Bump PyO3 version to 0.16 ([#259](https://github.com/PyO3/rust-numpy/pull/212))
   - Support object arrays ([#216](https://github.com/PyO3/rust-numpy/pull/216))
   - Support borrowing arrays that are part of other Python objects via `PyArray::borrow_from_array` ([#230](https://github.com/PyO3/rust-numpy/pull/216))
   - Fixed downcasting ignoring element type and dimensionality ([#265](https://github.com/PyO3/rust-numpy/pull/265))

Cargo.toml

@@ -16,13 +16,13 @@ license = "BSD-2-Clause"
 
 [dependencies]
 libc = "0.2"
-num-complex = ">= 0.2, <= 0.4"
+num-complex = ">= 0.2, < 0.5"
 num-traits = "0.2"
 ndarray = ">= 0.13, < 0.16"
-pyo3 = { version = "0.15", default-features = false }
+pyo3 = { version = "0.16", default-features = false }
 
 [dev-dependencies]
-pyo3 = { version = "0.15", features = ["auto-initialize"] }
+pyo3 = { version = "0.16", features = ["auto-initialize"] }
 
 [workspace]
 members = ["examples/*"]

README.md

@@ -15,8 +15,8 @@ Rust bindings for the NumPy C-API.
 ## Requirements
 - Rust >= 1.48.0
   - Basically, our MSRV follows the one of [PyO3](https://github.com/PyO3/pyo3)
-- Python >= 3.6
-  - Python 3.5 support is dropped from 0.13
+- Python >= 3.7
+  - Python 3.6 support was dropped from 0.16
 - Some Rust libraries
   - [ndarray](https://github.com/rust-ndarray/ndarray) for Rust-side matrix library
   - [PyO3](https://github.com/PyO3/pyo3) for Python bindings

examples/linalg/Cargo.toml

@@ -9,6 +9,6 @@ name = "rust_linalg"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.15", features = ["extension-module"] }
+pyo3 = { version = "0.16", features = ["extension-module"] }
 numpy = { path = "../.." }
 ndarray-linalg = { version = "0.14.1", features = ["openblas-system"] }

examples/parallel/Cargo.toml

@@ -9,7 +9,7 @@ name = "rust_parallel"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.15", features = ["extension-module"] }
+pyo3 = { version = "0.16", features = ["extension-module"] }
 numpy = { path = "../.." }
 ndarray = { version = "0.15", features = ["rayon", "blas"] }
 blas-src = { version = "0.8", features = ["openblas"] }

examples/simple/Cargo.toml

@@ -9,5 +9,5 @@ name = "rust_ext"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.15", features = ["extension-module"] }
+pyo3 = { version = "0.16", features = ["extension-module"] }
 numpy = { path = "../.." }