Scope macro imports more tightly

pyo3-macros-backend/src/module.rs

@@ -382,10 +382,7 @@ fn module_initialization(options: PyModuleOptions, ident: &syn::Ident) -> TokenS
 fn process_functions_in_module(options: &PyModuleOptions, func: &mut syn::ItemFn) -> Result<()> {
     let ctx = &Ctx::new(&options.krate);
     let Ctx { pyo3_path } = ctx;
-    let mut stmts: Vec<syn::Stmt> = vec![syn::parse_quote!(
-        #[allow(unknown_lints, unused_imports, redundant_imports)]
-        use #pyo3_path::{PyNativeType, types::PyModuleMethods};
-    )];
+    let mut stmts: Vec<syn::Stmt> = Vec::new();
 
     for mut stmt in func.block.stmts.drain(..) {
         if let syn::Stmt::Item(Item::Fn(func)) = &mut stmt {
@@ -395,7 +392,11 @@ fn process_functions_in_module(options: &PyModuleOptions, func: &mut syn::ItemFn
                 let name = &func.sig.ident;
                 let statements: Vec<syn::Stmt> = syn::parse_quote! {
                     #wrapped_function
-                    #module_name.as_borrowed().add_function(#pyo3_path::wrap_pyfunction!(#name, #module_name.as_borrowed())?)?;
+                    {
+                        #[allow(unknown_lints, unused_imports, redundant_imports)]
+                        use #pyo3_path::{PyNativeType, types::PyModuleMethods};
+                        #module_name.as_borrowed().add_function(#pyo3_path::wrap_pyfunction!(#name, #module_name.as_borrowed())?)?;
+                    }
                 };
                 stmts.extend(statements);
             }

pytests/src/enums.rs

@@ -1,5 +1,7 @@
 use pyo3::{
-    pyclass, pyfunction, pymodule, types::PyModule, wrap_pyfunction_bound, Bound, PyResult,
+    pyclass, pyfunction, pymodule,
+    types::{PyModule, PyModuleMethods},
+    wrap_pyfunction_bound, Bound, PyResult,
 };
 
 #[pymodule]

tests/test_no_imports.rs

@@ -30,7 +30,10 @@ fn basic_module_bound(m: &pyo3::Bound<'_, pyo3::types::PyModule>) -> pyo3::PyRes
         42
     }
 
-    m.add_function(pyo3::wrap_pyfunction_bound!(basic_function, m)?)?;
+    pyo3::types::PyModuleMethods::add_function(
+        m,
+        pyo3::wrap_pyfunction_bound!(basic_function, m)?,
+    )?;
 
     Ok(())
 }