clean up some more redundant imports flagged by nightly

src/conversions/chrono.rs

@@ -564,7 +564,7 @@ fn timezone_utc_bound(py: Python<'_>) -> Bound<'_, PyAny> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{types::PyTuple, Bound, Py};
+    use crate::{types::PyTuple, Py};
     use std::{cmp::Ordering, panic};
 
     #[test]

src/conversions/chrono_tz.rs

@@ -69,8 +69,6 @@ impl FromPyObject<'_> for Tz {
 
 #[cfg(all(test, not(windows)))] // Troubles loading timezones on Windows
 mod tests {
-    use crate::{types::any::PyAnyMethods, Bound};
-
     use super::*;
 
     #[test]

src/conversions/num_bigint.rs

@@ -262,10 +262,7 @@ fn int_n_bits(long: &Bound<'_, PyLong>) -> PyResult<usize> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{
-        types::{PyDict, PyModule},
-        Bound,
-    };
+    use crate::types::{PyDict, PyModule};
     use indoc::indoc;
 
     fn rust_fib<T>() -> impl Iterator<Item = T>

src/conversions/num_complex.rs

@@ -199,7 +199,7 @@ complex_conversion!(f64);
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::types::{any::PyAnyMethods, complex::PyComplexMethods, PyModule};
+    use crate::types::{complex::PyComplexMethods, PyModule};
 
     #[test]
     fn from_complex() {