Upgrade to pyo3 0.2.7

This partially reverts 9f1a56a since the underlying problem, a breaking change in rust nigthlies, has been resolved in pyo3 0.2.7

Author: konstin

example/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 
 [dependencies.pyo3]
-version = "0.2.0"
+version = "^0.2.7"
 default-features = false
 
 [lib]

example/src/lib.rs

@@ -6,7 +6,7 @@ use pyo3::prelude::*;
 use pyo3::py::modinit;
 
 /// Module documentation string
-#[modinit("_helloworld")]
+#[modinit(_helloworld)]
 fn init(py: Python, m: &PyModule) -> PyResult<()> {
 
     #[pyfn(m, "run", args="*", kwargs="**")]

example_tomlgen/hello/english/lib.rs

@@ -6,7 +6,7 @@ use pyo3::prelude::*;
 use pyo3::py::modinit;
 
 /// Module documentation string
-#[modinit("english")]
+#[modinit(english)]
 fn init(py: Python, m: &PyModule) -> PyResult<()> {
 
     #[pyfn(m, "hello")]

example_tomlgen/hello/french/lib.rs

@@ -6,7 +6,7 @@ use pyo3::prelude::*;
 use pyo3::py::modinit;
 
 /// Module documentation string
-#[modinit("french")]
+#[modinit(french)]
 fn init(py: Python, m: &PyModule) -> PyResult<()> {
 
     #[pyfn(m, "hello")]