fix: remove side effects from row.__str__ and row.__repr__

frictionless/detector/detector.py

@@ -216,7 +216,7 @@ def detect_encoding(
             encoding = detector.result["encoding"] or settings.DEFAULT_ENCODING
             confidence = detector.result["confidence"] or 0
             if confidence < self.encoding_confidence:
-                # low confidence, so we try UTF8
+                # low confidence, so we try default encoding
                 # If decoding fails, we fallback to the detected encoding
                 # despite the low-confidence
                 detected = encoding

frictionless/table/row.py

@@ -52,12 +52,16 @@ def __eq__(self, other: object):
         return super().__eq__(other)
 
     def __str__(self):
-        self.__process()
-        return super().__str__()
+        s = ""
+        if not self.__processed:
+            s = "Unprocessed: "
+        return s + super().__str__()
 
     def __repr__(self):
-        self.__process()
-        return super().__repr__()
+        s = ""
+        if not self.__processed:
+            s = "Unprocessed: "
+        return s + super().__repr__()
 
     def __setitem__(self, key: str, value: Any):
         try: