diff --git a/fastkml/enums.py b/fastkml/enums.py
index e1ef370a..df403e09 100644
--- a/fastkml/enums.py
+++ b/fastkml/enums.py
@@ -118,7 +118,7 @@ class DataType(REnum):
     def convert(self, value: str) -> Union[str, int, float, bool]:
         """Convert the data type to a python type."""
         if self == DataType.string:
-            return str(value)
+            return value
         if self in {DataType.int_, DataType.uint, DataType.short, DataType.ushort}:
             return int(value)
         if self in {DataType.float_, DataType.double}:
diff --git a/fastkml/kml.py b/fastkml/kml.py
index b8b958ef..9105bf60 100644
--- a/fastkml/kml.py
+++ b/fastkml/kml.py
@@ -210,9 +210,7 @@ def style_url(self) -> Optional[str]:
         Returns the url only, not a full StyleUrl object.
         if you need the full StyleUrl object use _style_url.
         """
-        if isinstance(self._style_url, StyleUrl):
-            return self._style_url.url
-        return None
+        return self._style_url.url if isinstance(self._style_url, StyleUrl) else None
 
     @style_url.setter
     def style_url(self, styleurl: Union[str, StyleUrl, None]) -> None:
@@ -262,9 +260,7 @@ def link(self, url) -> None:
 
     @property
     def author(self) -> None:
-        if self._atom_author:
-            return self._atom_author.name
-        return None
+        return self._atom_author.name if self._atom_author else None
 
     @author.setter
     def author(self, name) -> None:
@@ -300,8 +296,7 @@ def snippet(self) -> Optional[Dict[str, Any]]:
         if not self._snippet:
             return None
         if isinstance(self._snippet, dict):
-            text = self._snippet.get("text")
-            if text:
+            if text := self._snippet.get("text"):
                 assert isinstance(text, str)
                 max_lines = self._snippet.get("maxLines", None)
                 if max_lines is None:
@@ -339,9 +334,7 @@ def snippet(self, snip=None) -> None:
 
     @property
     def address(self) -> None:
-        if self._address:
-            return self._address
-        return None
+        return self._address if self._address else None
 
     @address.setter
     def address(self, address) -> None:
@@ -354,9 +347,7 @@ def address(self, address) -> None:
 
     @property
     def phone_number(self) -> None:
-        if self._phone_number:
-            return self._phone_number
-        return None
+        return self._phone_number if self._phone_number else None
 
     @phone_number.setter
     def phone_number(self, phone_number) -> None:
@@ -1641,10 +1632,7 @@ def etree_element(
 
     def get_style_by_url(self, style_url: str) -> Union[Style, StyleMap]:
         id = urlparse.urlparse(style_url).fragment
-        for style in self.styles():
-            if style.id == id:
-                return style
-        return None
+        return next((style for style in self.styles() if style.id == id), None)
 
 
 class Folder(_Container):
@@ -1711,9 +1699,7 @@ def __init__(
 
     @property
     def geometry(self) -> Optional[AnyGeometryType]:
-        if self._geometry is not None:
-            return self._geometry.geometry
-        return None
+        return self._geometry.geometry if self._geometry is not None else None
 
     def from_element(self, element: Element, strict=False) -> None:
         super().from_element(element)
diff --git a/fastkml/styles.py b/fastkml/styles.py
index 5ac99055..7e99b4e8 100644
--- a/fastkml/styles.py
+++ b/fastkml/styles.py
@@ -46,9 +46,7 @@ def strtobool(val: str) -> int:
     val = val.lower()
     if val == "false":
         return 0
-    if val == "true":
-        return 1
-    return int(float(val))
+    return 1 if val == "true" else int(float(val))
 
 
 class StyleUrl(_BaseObject):