updated the ‘where’ method, filter arguments don’t need to have spaces around the operator anymore

rootable/rootable.py

@@ -3,6 +3,7 @@ from numpy.typing import ArrayLike
 import uproot as ur
 from concurrent.futures import ThreadPoolExecutor
 from typing import Any, Iterable
+import re
 
 
 class Rootable:
@@ -187,7 +188,13 @@ class Rootable:
 
         # Applying the conditions to create the mask
         for condition in conditions:
-            key, op, value = condition.split(None, 2)  # Split by the first two spaces only
+            match = re.match(r'(\w+)\s*([<>=]=?| in )\s*(.+)', condition)
+            if match is None:
+                raise ValueError(f"Invalid condition: {condition}")
+
+            key, op, value = match.groups()
+            op = op.strip()  # remove any leading and trailing spaces
+            
             if op == 'in':
                 value = eval(value)
                 mask &= np.isin(self.data[key], value)