Merge branch 'develop' into documentation

.github/workflows/examples.yml

@@ -36,6 +36,7 @@ jobs:
           pip install .
           pip install pytest
           pip install nbmake
+          pip install -U matplotlib!=3.7.0 # Exclude version 3.7.0 of matplotlib as this breaks local imports of style files.
 
       - name: Run tests
         run: pytest -vv --nbmake examples/*.ipynb

pyerrors/correlators.py

@@ -23,6 +23,8 @@ class Corr:
 
     """
 
+    __slots__ = ["content", "N", "T", "tag", "prange"]
+
     def __init__(self, data_input, padding=[0, 0], prange=None):
         """ Initialize a Corr object.