Appease clippy (and black) (#51)

* Use `Vec::with_capacity` instead of `Vec::reserve` where appropriate
* Don't import * from `python_api` when it doesn't have anything to import
* Reformat `quickdna` Python module

quickdna/__init__.py

@@ -35,12 +35,10 @@ def seq(self) -> bytes:
         return self._seq
 
     @ty.overload
-    def __getitem__(self, __i: ty.SupportsIndex) -> int:
-        ...
+    def __getitem__(self, __i: ty.SupportsIndex) -> int: ...
 
     @ty.overload
-    def __getitem__(self: T, __s: slice) -> T:
-        ...
+    def __getitem__(self: T, __s: slice) -> T: ...
 
     def __getitem__(self, key):
         if isinstance(key, ty.SupportsIndex):

src/lib.rs

@@ -27,9 +27,6 @@ pub use rust_api::*;
 #[cfg(feature = "python-support")]
 mod python_api;
 
-#[cfg(feature = "python-support")]
-pub use python_api::*;
-
 #[cfg(any(feature = "quickcheck", test))]
 mod quickcheck;
 

src/rust_api.rs

@@ -311,9 +311,7 @@ impl<T: NucleotideLike> TryFrom<&[u8]> for DnaSequence<T> {
     type Error = TranslationError;
 
     fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
-        let mut vec = vec![];
-        vec.reserve(value.len());
-
+        let mut vec = Vec::with_capacity(value.len());
         for &b in value {
             if b != b' ' && b != b'\t' {
                 vec.push(T::try_from(b)?);