Fix checks for None

scripts/get_constraints_status.py

@@ -53,7 +53,7 @@ def get_constraints_status(modelFileName: Path, dataset: Dataset) -> tuple[bool,
         logging.warning(f"{dataset.name}: {err}. Indicate parsing error and return invalid constraints status.")
         return readingPcompModelWasNotSuccessfulFlag, False
     
-    assert pcompModel.functions.constraints
+    assert pcompModel.functions.constraints is not None
 
     if any_function_contains_symbols(pcompModel.functions.constraints, pcompModel.variables.states):
         logging.warning(f"{dataset.name}: Constraints depend on states. Return invalid constraints status.")
@@ -63,7 +63,7 @@ def get_constraints_status(modelFileName: Path, dataset: Dataset) -> tuple[bool,
         logging.warning(f"{dataset.name}: Constraints depend on time. Return invalid constraints status.")
         return readingPcompModelWasSuccessfulFlag, False
 
-    if (pcompModel.variables.concentration 
+    if (pcompModel.variables.concentration is not None
         and any_function_contains_symbols(pcompModel.functions.constraints, [pcompModel.variables.concentration])):
         logging.warning(f"{dataset.name}: Constraints depend on concentration. Return invalid constraints status.")
         return readingPcompModelWasSuccessfulFlag, False

scripts/src/read_dataset.py

@@ -254,7 +254,7 @@ def read_measurements_to_dataset(linesIt: Iterator[str], dataset: Dataset) -> It
             timePoints.append(values[0])
 
             if hasConcentration:
-                if concentrationValue:
+                if concentrationValue is not None:
                     if concentrationValue != values[1]:
                         raise MeasurementInconsistencyError(f"{dataset.name}: Measurements dimensions inconsistent")
                 else:

scripts/src/to_cpp.py

@@ -29,7 +29,7 @@ def to_cpp_array_of_constraints_infos(constraintsInfos: List[ConstraintInfo]) ->
 
 
 def to_cpp_optional(value: Optional[float]) -> str:
-    if not value:
+    if value is None:
         return "{}"
 
     return f"{value}"