error parameter deprecation in pandas 2.2 to_numeric function

src/pygama/flow/file_db.py

@@ -274,7 +274,10 @@ def scan_files(self, dirs: list[str] = None) -> None:
 
         # convert cols to numeric dtypes where possible
         for col in self.df.columns:
-            self.df[col] = pd.to_numeric(self.df[col], errors="ignore")
+            try:
+                self.df[col] = pd.to_numeric(self.df[col])
+            except ValueError:
+                continue
 
         # sort rows according to timestamps
         utils.inplace_sort(self.df, self.sortby)
@@ -673,7 +676,10 @@ def scan_daq_files(self, daq_dir: str, daq_template: str) -> None:
 
         # convert cols to numeric dtypes where possible
         for col in self.df.columns:
-            self.df[col] = pd.to_numeric(self.df[col], errors="ignore")
+            try:
+                self.df[col] = pd.to_numeric(self.df[col])
+            except ValueError:
+                continue
 
     def get_table_name(self, tier: str, tb: str) -> str:
         """Get the table name for a tier given its table identifier.