fixed bug in issue #48, changed version, upd changelog

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.1.18] - 2024-05-24
+
+- Fixed bug raised by issue #48 which made `spelunker` to crash.
+
 ## [1.1.17] - 2024-04-23 (Current release)
 
 - Animation functions now work properly.

src/_version.py

@@ -1 +1 @@
-__version__ = "1.1.17"
+__version__ = "1.1.18"

src/spelunker.py

@@ -1208,7 +1208,7 @@ def fit_gaussian(data):
             coords = np.where(data==datar.max())
 
             initial_guess[6] = zodical_light
-            initial_guess[1], initial_guess[2] = int(coords[1]), int(coords[0])
+            initial_guess[1], initial_guess[2] = int(coords[1][0]), int(coords[0][0])
 
             popt = ray_curve_fit(gaussian_2d, xx, yy, datar, initial_guess)
 
@@ -2387,4 +2387,4 @@ def save(self, suffix = None):
                                                                                                                    self.quickfit_results['offset'].value[j]
                                                                                                                    ))
 
-                fout.close()
+                fout.close()