Remove borrow on send_output to avoid double mutable borrow on node

apis/python/node/src/lib.rs

@@ -155,7 +155,7 @@ impl Node {
     /// :rtype: None
     #[pyo3(signature = (output_id, data, metadata=None))]
     pub fn send_output(
-        &mut self,
+        &self,
         output_id: String,
         data: PyObject,
         metadata: Option<Bound<'_, PyDict>>,

apis/python/operator/src/lib.rs

@@ -41,7 +41,7 @@ impl<T> DelayedCleanup<T> {
         CleanupHandle(self.0.clone())
     }
 
-    pub fn get_mut(&mut self) -> std::sync::MutexGuard<T> {
+    pub fn get_mut(&self) -> std::sync::MutexGuard<T> {
         self.0.try_lock().expect("failed to lock DelayedCleanup")
     }
 }

binaries/cli/src/template/python/__node-name__/pyproject.toml

@@ -12,13 +12,13 @@ packages = [{ include = "__node_name__" }]
 [tool.poetry.dependencies]
 dora-rs = "^0.3.6"
 numpy = "< 2.0.0"
-pyarrow = ">= 5.0.0"
+pyarrow = ">= 15.0.0"
 python = "^3.7"
 
 [tool.poetry.dev-dependencies]
-pytest = ">= 8.3.4"
+pytest = ">= 6.3.4"
 pylint = ">= 3.3.2"
-black = ">= 24.10"
+black = ">= 22.10"
 
 [tool.poetry.scripts]
 __node-name__ = "__node_name__.main:main"