You must now use 'eval' to get the body of a concept

tests/test_ExactConceptParser.py

@@ -3,6 +3,7 @@ from core.concept import Concept, Property
 from core.sheerka import Sheerka, ExecutionContext
 from core.tokenizer import Tokenizer
 from parsers.ExactConceptParser import ExactConceptParser
+from sdp.sheerkaDataProvider import Event
 
 
 def test_i_can_compute_combinations():
@@ -130,7 +131,7 @@ def get_context():
     sheerka = Sheerka(skip_builtins_in_db=True)
     sheerka.initialize("mem://")
 
-    return ExecutionContext("sheerka", "xxxx", sheerka)
+    return ExecutionContext("sheerka", Event(), sheerka)
 
 
 def get_concept(name, variables):