Update requirements, spectra logic

[dr-rodriguez]

Still doesn't work, but I think this gets us a little closer- a clearer message is produced:

Re-attempting spectra conversion
Downloading https://s3.amazonaws.com/bdnyc/spex-prism_SDSSpJ134646.45-003150.4_20040312_BUR06D.txt [Done]
127.0.0.1 - - [23/Sep/2025 20:35:44] "GET /solo_result/2MASS%20J13464634-0031501 HTTP/1.1" 500 -
Traceback (most recent call last):
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 1536, in __call__
return self.wsgi_app(environ, start_response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 1514, in wsgi_app
response = self.handle_exception(e)
^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask_cors/extension.py", line 176, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 1511, in wsgi_app
response = self.full_dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 919, in full_dispatch_request
rv = self.handle_user_exception(e)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask_cors/extension.py", line 176, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 917, in full_dispatch_request
rv = self.dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/flask/app.py", line 902, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/workspaces/SIMPLE-web/simple_app/app_simple.py", line 208, in solo_result
scriptspectra, divspectra, nfail, failstr = spectra_plot(query, db_file, night_sky_theme, js_callbacks)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/workspaces/SIMPLE-web/simple_app/plots.py", line 181, in spectra_plot
spectrum = Spectrum.read(spec["access_url"])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/astropy/nddata/mixins/ndio.py", line 59, in __call__
return self.registry.read(self._cls, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/astropy/io/registry/core.py", line 221, in read
data = reader(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/specutils/io/default_loaders/ascii.py", line 54, in ascii_loader
return generic_spectrum_from_table(tab)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/vscode/.local/lib/python3.11/site-packages/specutils/io/parsing_utils.py", line 250, in generic_spectrum_from_table
raise IOError("Could not identify column containing the wavelength, frequency or energy")
OSError: Could not identify column containing the wavelength, frequency or energy