Fix data getter

Author: tvorogme

setup.py

@@ -31,7 +31,7 @@ def finalize_options(self):
 
 setup(
     name="tonpy" if not IS_DEV else "tonpy-dev",
-    version="0.0.0.1.4b0" if not IS_DEV else "0.0.0.6.0a1",
+    version="0.0.0.1.4b0" if not IS_DEV else "0.0.0.6.0b1",
     author="Disintar LLP",
     author_email="andrey@head-labs.com",
     description="Types / API for TON blockchain",

src/tonpy/tvm/tvm.py

@@ -33,6 +33,7 @@ def __init__(self, log_level: int = 0,
                          enable_stack_dump)
         self.code_hash = code.get_hash()
         self.data_hash = data.get_hash() if data else None
+        self.original_data = data
         self.vm_steps_detailed: Optional[List[StepInfo]] = None
         self.enable_stack_dump = enable_stack_dump
         self.c7 = None
@@ -215,7 +216,7 @@ def code(self, value):
 
     @property
     def data(self) -> Cell:
-        return Cell(self.tvm.data)
+        return self.original_data
 
     @data.setter
     def data(self, value):