Fix some formatting

Author: smithara

CITATION.cff

@@ -8,7 +8,7 @@ message: >-
 
   “We use the Python package, viresclient [1], to access [ name the datasets ] from ESA's VirES for Swarm service [2]"
 
-  [1] Smith, A. R. A., Pačes, M., & Santillan, D. (2025). ESA-VirES/VirES-Python-Client. Zenodo. Smith, A. R. A., Pačes, M., & Santillan, D. (2025). ESA-VirES/VirES-Python-Client. Zenodo. Smith, A. R. A., Pačes, M., & Santillan, D. (2025). ESA-VirES/VirES-Python-Client (v0.14.1). Zenodo. Smith, A. R. A., Pačes, M., & Santillan, D. (2025). ESA-VirES/VirES-Python-Client (v0.14.1). Zenodo. https://doi.org/10.5281/zenodo.2554162
+  [1] Smith, A. R. A., Pačes, M., & Santillan, D. (2025). ESA-VirES/VirES-Python-Client. Zenodo. https://doi.org/10.5281/zenodo.2554162
   [2] https://vires.services
 
   You may also wish to cite this paper:

src/viresclient/_data_handling.py

@@ -395,10 +395,12 @@ def _reshape_two_codes(self, ds):
         Merges IAGA_code and ObsIndex into a single SiteCode variable
         (e.g. "ABG0", "ALE1"), then delegates to _reshape_one_code.
         """
-        site_codes = numpy.array([
-            f"{iaga}{obs}"
-            for iaga, obs in zip(ds["IAGA_code"].values, ds["ObsIndex"].values)
-        ])
+        site_codes = numpy.array(
+            [
+                f"{iaga}{obs}"
+                for iaga, obs in zip(ds["IAGA_code"].values, ds["ObsIndex"].values)
+            ]
+        )
         keep = [v for v in ds.data_vars if v not in {"IAGA_code", "ObsIndex"}]
         ds = ds[keep].assign(SiteCode=((self._time_variable,), site_codes))
         return self._reshape_one_code(ds, "SiteCode")