Fix clippy lints

examples/rustapi_module/src/datetime.rs

@@ -114,6 +114,7 @@ fn get_delta_tuple<'p>(py: Python<'p>, delta: &PyDelta) -> &'p PyTuple {
     )
 }
 
+#[allow(clippy::too_many_arguments)]
 #[pyfunction]
 fn make_datetime<'p>(
     py: Python<'p>,

examples/word-count/src/lib.rs

@@ -59,7 +59,7 @@ fn matches(word: &str, needle: &str) -> bool {
             }
         }
     }
-    return needle.next().is_none();
+    needle.next().is_none()
 }
 
 /// Count the occurences of needle in line, case insensitive

src/gil.rs

@@ -613,6 +613,7 @@ mod test {
         // Move obj to a thread which does not have the GIL, and clone it
         let t = std::thread::spawn(move || {
             // Cloning without GIL should not update reference count
+            #[allow(clippy::redundant_clone)]
             let _ = obj.clone();
             assert_eq!(count, obj.get_refcnt());
 

tests/test_pyself.rs

@@ -1,5 +1,4 @@
 //! Test slf: PyRef/PyMutRef<Self>(especially, slf.into::<Py>) works
-use pyo3;
 use pyo3::prelude::*;
 use pyo3::types::{PyBytes, PyString};
 use pyo3::{AsPyRef, PyCell, PyIterProtocol};