drop 3.7 and fixes for 3.12

.github/workflows/build-wheels.sh

@@ -8,7 +8,7 @@ rustup default 1.78.0
 free -h
 cargo build --jobs 1 --config net.git-fetch-with-cli=true
 
-for PYBIN in /opt/python/cp3[7891]*/bin; do
+for PYBIN in /opt/python/cp3[891]*/bin; do
     "${PYBIN}/pip" install maturin
     "${PYBIN}/maturin" build -F python -i "${PYBIN}/python" --release
 done

.github/workflows/publish.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
      - uses: actions/checkout@v3
      - uses: actions-rs/toolchain@v1

Cargo.toml

@@ -13,8 +13,8 @@ ndarray-stats = "0.5"
 ndarray = { version = "0.15.3", features = ["serde"] }
 
 # python build
-pyo3 = { version = "0.14", features = ["extension-module"], optional = true }
-numpy = { version = "0.14.1", optional = true }
+pyo3 = { version = "0.19.2", features = ["extension-module"], optional = true }
+numpy = { version = "0.19.0", optional = true }
 
 proc-macro2 = "1.0.82"
 

src/lib.rs

@@ -142,7 +142,7 @@ pub fn js_viterbi_search(
 /// Python
 #[cfg(feature = "python")]
 fn seq_to_vec(seq: &PySequence) -> PyResult<Vec<String>> {
-    Ok(seq.tuple()?.iter().map(|x| x.to_string()).collect())
+    Ok(seq.to_tuple()?.iter().map(|x| x.to_string()).collect())
 }
 
 /// Perform a Viterbi search decode on an RNN output.