fix(BurrBrige): dynamic imports

Author: f-aguzzi

scrapegraphai/integrations/burr_bridge.py

@@ -11,12 +11,13 @@
 
 try:
     import burr
+    from burr import tracking
+    from burr.core import Application, ApplicationBuilder, State, Action, default, ApplicationContext
+    from burr.lifecycle import PostRunStepHook, PreRunStepHook
 except ImportError:
     raise ImportError("burr package is not installed. Please install it with 'pip install scrapegraphai[burr]'")
 
-from burr import tracking
-from burr.core import Application, ApplicationBuilder, State, Action, default, ApplicationContext
-from burr.lifecycle import PostRunStepHook, PreRunStepHook
+
 
 
 class PrintLnHook(PostRunStepHook, PreRunStepHook):