[DEM-943] Fix type-hinting.

Author: CumulonimbusCalvus

src/qtt/measurements/acquisition/interfaces/acquisition_interface.py

@@ -36,7 +36,7 @@ def start_acquisition(self) -> None:
         """
 
     @abstractmethod
-    def acquire(self, number_of_averages: int, timeout: Optional[float] = 30) -> List[DataArray]:
+    def acquire(self, number_of_averages: int, timeout: float = 30) -> List[DataArray]:
         """ Reads raw-data from the acquisition device.
 
             This method should be called after initialising and starting the acquisition.

src/qtt/measurements/acquisition/uhfli_scope_reader.py

@@ -41,7 +41,7 @@ def start_acquisition(self) -> None:
         self.__uhfli.daq.sync()
         self.__uhfli.daq.setInt(f'/{self._address}/scopes/0/enable', 1)
 
-    def acquire(self, number_of_averages: int=1, timeout: float=30) -> List[DataArray]:
+    def acquire(self, number_of_averages: int, timeout: float = 30) -> List[DataArray]:
         """ Collects records from the UHFLI.
 
         Args: