diff --git a/claims_hosp/delphi_claims_hosp/weekday.py b/claims_hosp/delphi_claims_hosp/weekday.py
index a8148b8ab..03b69cba4 100644
--- a/claims_hosp/delphi_claims_hosp/weekday.py
+++ b/claims_hosp/delphi_claims_hosp/weekday.py
@@ -18,7 +18,7 @@ class Weekday:
 
     @staticmethod
     def get_params(data):
-        """Correct a signal estimated as numerator/denominator for weekday effects.
+        r"""Correct a signal estimated as numerator/denominator for weekday effects.
 
         The ordinary estimate would be numerator_t/denominator_t for each time point
         t. Instead, model
@@ -63,7 +63,7 @@ def get_params(data):
 
         # Construct design matrix to have weekday indicator columns and then day
         # indicators.
-        X = np.zeros((nums.shape[0], 6 + nums.shape[0]))
+        X = np.zeros((nums.shape[0], 6 + nums.shape[0]))  # pylint: disable=invalid-name
         not_sunday = np.where(nums.index.dayofweek != 6)[0]
         X[not_sunday, np.array(nums.index.dayofweek)[not_sunday]] = 1
         X[np.where(nums.index.dayofweek == 6)[0], :6] = -1