removed try except in read

csst/msc/data.py

@@ -135,8 +135,6 @@ class CsstMscImgData(CsstMscData):
         >>> print("instrument: ", data.get_l0keyword("pri", "INSTRUME"))
         >>> print("object: ", data.get_l0keyword("pri", "OBJECT"))
         """
-
-        try:
         with fits.open(fp) as hdulist:
             instrument = hdulist[0].header.get('INSTRUME')  # strip or not?
             detector = hdulist[0].header.get('DETECTOR')  # strip or not?
@@ -148,5 +146,3 @@ class CsstMscImgData(CsstMscData):
                 hdu1 = hdulist[1].copy()
                 data = CsstMscImgData(hdu0, hdu1, instrument=instrument, detector=detector)
                 return data
-        except Exception as e:
-            print(e)