Update examples to use PyO3 0.25.1 (#536)

Author: musicinmybrain

README.md

@@ -69,7 +69,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-pyo3 = "0.24"
+pyo3 = "0.25"
 
 [lib]
 name = "_lib"  # private module to be nested into Python package,

examples/hello-world-setuppy/Cargo.lock

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-pyo3 = "0.24.2"
+pyo3 = "0.25"
 
 [lib]
 # See https://github.com/PyO3/pyo3 for details

examples/hello-world-setuppy/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-pyo3 = "0.24"
+pyo3 = "0.25"
 
 [profile.release-lto]
 inherits = "release"

examples/hello-world/Cargo.lock

@@ -23,7 +23,7 @@ mod _lib {
 
         let numbers: Vec<i32> = argv[2..].iter().map(|s| s.parse().unwrap()).collect();
 
-        let python_sum = PyModule::import_bound(py, "builtins")?.getattr("sum")?;
+        let python_sum = PyModule::import(py, "builtins")?.getattr("sum")?;
         let total: i32 = python_sum.call1((numbers,))?.extract()?;
         println!("sum({}) = {:?}", argv[2..].join(", "), total);
         Ok(())

examples/hello-world/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 kuchiki = "0.8.0"
-pyo3 = "0.24"
+pyo3 = "0.25"
 tendril = "0.4.3"
 
 [lib]

examples/hello-world/rust/lib.rs

@@ -18,4 +18,4 @@ path = "rust/lib.rs"  # When omitted, the value of "src/lib.rs" is assumed
 # path = "src/lib.rs"
 
 [dependencies]
-pyo3 = "0.24"
+pyo3 = "0.25"