Update to pandas version 1

conda-recipe/meta.yaml

@@ -38,7 +38,7 @@ requirements:
         - matplotlib >=2.0.1,<3 | >=3.0.2
         - blessings
         - scipy >=0.19.1
-        - pandas =0.23
+        - pandas =1.0
         - requests
         - prompt_toolkit =2
         - sphinx # documentation

conda-recipe/run_test.sh

@@ -3,6 +3,11 @@ set -u
 set -v
 set -e
 
+#Download some resources.
+#This is here to help isolate the errors and avoid timeouts
+vp-get theoryID 162
+vp-get pdf NNPDF31_nnlo_as_0118
+
 #Python tests for the installed validphys package
 pytest --pyargs --mpl validphys
 pytest --pyargs n3fit

validphys2/src/validphys/tableloader.py

@@ -77,12 +77,11 @@ def load_adapted_fits_chi2_table(filename):
 
 
 def set_actual_column_level0(df, new_levels):
-    """Set the fitst level of the index to new_levels.
-    Pandas makes it criminally difficult to do this properly."""
+    """Set the first level of the index to new_levels. Note:
+    This is a separate function mostly because it breaks
+    in every patch update of pandas."""
     cols = df.columns
-    levels = np.asarray(cols.levels[0])
-    levels[cols.labels[0]] = new_levels
-    cols.set_levels(levels, inplace=True, level=0)
+    cols.set_levels(new_levels, inplace=True, level=0)
 
 
 #TODO: Find a better place for this function