chore: update converters

src/covid-19/covid_19_utils/covid_19_utils/converters/__init__.py

@@ -103,6 +103,8 @@ class CaseConverterImpl:
         except TypeError:
             pass
 
+        # make sure that date is datetime
+        df["date"] = pd.to_datetime(df["date"])
         return df[self.common_columns]
 
     # def _compute_daily_counts(self, df):

src/covid-19/covid_19_utils/covid_19_utils/converters/italy.py

@@ -37,7 +37,6 @@ class ItalyRegionalCaseConverter(CaseConverter):
         metadata["istatid"] = metadata.istatid.astype(int)
         df_conv = _correct_trentino(df_conv)
         merged = pd.merge(df_conv, metadata, on="istatid").drop_duplicates()
-
         return self._set_common_columns(merged)
 
     def read_data(self, path):

src/covid-19/covid_19_utils/covid_19_utils/converters/spain.py

@@ -72,6 +72,7 @@ class SpainCaseConverter(CaseConverter):
         # calculate incidence rates
         merged = df_conv.merge(pd.DataFrame(region_populations))
         merged["country"] = "ESP"
+        merged["country_label"] = "Spain"
 
         return self._set_common_columns(merged)