fix thread locking when reading temeprature

src/damaris/data/Temperature.py

@@ -33,23 +33,17 @@ class TemperatureResult(Resultable, Drawable):
         self.ylabel = "Temperature (C)"
         
         # Initialize data lists
+        self.x = [] if x is None else x
+        self.y = [] if y is None else y
         self.setpoint = [] if setpoint is None else setpoint
-
-        if (x is None) and (y is None) and (desc is None) and (job_id is None) and (job_date is None):
-            # Empty initialization - will be filled later
-            self.x = []
-            self.y = []
-
-        elif (x is not None) and (y is not None) and (desc is not None) and (job_id is not None) and (job_date is not None):
-            # Full initialization
-            self.x = x
-            self.y = y
+        
+        # Set metadata if provided
+        if desc is not None:
             self.description = desc
+        if job_id is not None:
             self.job_id = job_id
+        if job_date is not None:
             self.job_date = job_date
-            
-        else:
-            raise ValueError("Wrong usage of __init__!")
     
     def get_number_of_channels(self):
         """Returns 1 for temperature data."""