Hopefully fixing detect_decimal

src/simstadt/results/base.py

@@ -17,6 +17,8 @@ logger = logging.getLogger(__name__)
 
 def detect_decimal(csv_path: Path, line_number: int, check: str = "") -> str:
     """Detect whether '.' or ',' is used as decimal separator on the given line. (0-index)
+    The separator with the highest count is considered a decimal separator.
+    Note: it could fail if many thousand separators are present.
     Check if substring check is included in line at line_number
     """
     with open(csv_path, encoding="utf-8") as csv:
@@ -26,7 +28,7 @@ def detect_decimal(csv_path: Path, line_number: int, check: str = "") -> str:
         if check and (check not in line):
             raise ValueError(f"Couldn't find '{check}' in '{line}'.")
         possible_delimiters = [".", ","]
-        delimiter = next(d for d in possible_delimiters if d in line)
+        delimiter = max(possible_delimiters, key=line.count)
         logger.debug("Decimal for %s is '%s'", csv_path.name, delimiter)
         return delimiter