fixes Profiler dependency

lodstorage/profiler.py

@@ -0,0 +1,42 @@
+"""
+Created on 2022-11-18
+
+@author: wf
+"""
+import time
+
+
+class Profiler:
+    """
+    simple profiler
+    """
+
+    def __init__(self, msg, profile=True, with_start: bool = True):
+        """
+        construct me with the given msg and profile active flag
+
+        Args:
+            msg(str): the message to show if profiling is active
+            profile(bool): True if messages should be shown
+        """
+        self.msg = msg
+        self.profile = profile
+        if with_start:
+            self.start()
+
+    def start(self):
+        """
+        start profiling
+        """
+        self.starttime = time.time()
+        if self.profile:
+            print(f"Starting {self.msg} ...")
+
+    def time(self, extraMsg=""):
+        """
+        time the action and print if profile is active
+        """
+        elapsed = time.time() - self.starttime
+        if self.profile:
+            print(f"{self.msg}{extraMsg} took {elapsed:5.1f} s")
+        return elapsed

lodstorage/sql_cache.py

@@ -5,7 +5,7 @@
 """
 from typing import Any, Dict, List, Type
 
-from ngwidgets.profiler import Profiler
+from lodstorage.profiler import Profiler
 from sqlmodel import Session, create_engine, select
 
 from lodstorage.query import QueryManager