restore optionality to figure saving

src/nmreval/io/fcbatchreader.py

@@ -213,7 +213,7 @@ class FCReader:
                     except KeyError:
                         self.f_params[k] = [new_entry]
 
-                if True:  # save_fits or save_fig:
+                if save_fits or save_fig:
                     xplot = np.geomspace(v.x[0], v.x[-1], num=10*len(v.x))
                     yplot = FCReader.kww(xplot, *p0)
                     save_name = f'{filename.stem}_{k:011.2f}'.replace('.', 'p') + '.dat'
@@ -222,6 +222,7 @@ class FCReader:
                         np.savetxt(fit_path.joinpath(save_name), np.c_[xplot, yplot],
                                    header=header+'\t'.join([f'{p}+/-{err}' for p, err in zip(p0, perr)]))
 
+                    if save_fig:
                         img_file = image_path.joinpath(save_name).with_suffix(".png")
 
                         gnuplot_args = [