Revert "Fix method names"

This reverts commit 4adb257cba.

src/pycell.rs

@@ -449,7 +449,7 @@ impl<T: PyClass> PyCell<T> {
         }
     }
 
-    pub(crate) unsafe fn _borrow_unchecked_unguarded(&self) -> &T {
+    pub(crate) unsafe fn immutable_pyclass_try_borrow_unchecked_unguarded(&self) -> &T {
         &*self.contents.value.get()
     }
 

src/pyclass.rs

@@ -71,7 +71,7 @@ pub unsafe trait PyClass:
     /// by wrapping `PyCell::immutable_pyclass_try_borrow_unguarded()`.
     #[inline]
     unsafe fn try_borrow_unguarded(slf: &PyCell<Self>) -> Result<&Self, PyBorrowError> {
-        Ok(PyCell::_borrow_unchecked_unguarded(slf))
+        Ok(PyCell::_try_borrow_unchecked_unguarded(slf))
     }
 
     /// Default implementation that does nothing.