fix pysynphot import warning

csst_cpic_sim/__init__.py

-# from .main import quick_run, observation_simulation
+from .main import quick_run_v2, vis_observation
 from .optics import focal_mask
 from .target import star_photlam, planet_contrast, extract_target_x_y, spectrum_generator
 from .camera import CosmicRayFrameMaker, sky_frame_maker
@@ -12,4 +12,7 @@ __all__ = [
     "extract_target_x_y",
     "spectrum_generator",
     "focal_mask",
+    "quick_run_v2",
+    "vis_observation",
+    "__version__"
 ]
\ No newline at end of file

csst_cpic_sim/config.py

@@ -126,7 +126,8 @@ with open(cpism_refdata + '/cpism_config.yaml', 'r') as f:
     replace_cpism_refdata(new_config, None)
     config.update(new_config)
 
-os.environ['PYSYN_CDBS'] = config['pysyn_refdata']
+if os.environ.get('PYSYN_CDBS') is None:
+    os.environ['PYSYN_CDBS'] = config['pysyn_refdata']
 __version__ = '2.0.0'
 
 # we need to ignore the warning from pysynphot, because we only use the star models.

csst_cpic_sim/target.py

@@ -4,12 +4,12 @@ import numpy as np
 from scipy import constants
 from astropy.io import fits
 from astropy.coordinates import SkyCoord
-from pysynphot.renorm import StdRenorm
 
-from .config import config
 from .config import S  # pysynphot
+from .config import config
 from .optics import filter_throughput
 from .io import log
+from pysynphot.renorm import StdRenorm
 
 
 PLANK_H = constants.h  # ~6.62607015e-34
@@ -256,7 +256,7 @@ def star_photlam(
     return star_sp
 
 def standard_spectrum(
-        magnitude: float) -> S.spectrum.Spectrum:
+        magnitude: float) -> S.ArraySpectrum:
     """Standard spectrum of magnitude system. 
     For example, the standard_spectrum of vega megnitude is vega spectrum. 
     The standard spectrum of ab magnitude is a flat spectrum.
@@ -308,7 +308,7 @@ def bcc_spectrum(
 
 def hybrid_albedo_spectrum(
         coe_b: float,
-        coe_r: float) -> S.spectrum.ArrayBandpass:
+        coe_r: float) -> S.spectrum.ArraySpectralElement:
     """Albedo spectrum of planet using hybrid-jupiter-neptune model (Lacy et al. 2018)
     jupiter and neptune spectrum is from Karkoschka’s 1994