change python doc

Author: milenkovicm

python/datafusion/dataframe.py

@@ -406,8 +406,9 @@ def select_columns(self, *args: str) -> DataFrame:
         return self.select(*args)
 
     def select_exprs(self, *args: str) -> DataFrame:
-        """Project arbitrary list of expression strings into a new DataFrame. Method will parse string expressions into logical plan expressions.
-            The output DataFrame has one column for each element in exprs.
+        """Project arbitrary list of expression strings into a new DataFrame. 
+        Method will parse string expressions into logical plan expressions.
+        The output DataFrame has one column for each element in exprs.
 
         Returns:
             DataFrame only containing the specified columns.