fix: Rule out CSV file format when line looks like json formatted line

pass_import/formats/csv.py

@@ -58,6 +58,32 @@ def is_format(self):
                 return False
             self.file.seek(0)
             self.reader = csv.DictReader(self.file, dialect=dialect)
+
+            # Context:
+            #   1password can export data in:
+            #   - 1PIF (json like format)
+            #   - CSV
+            # Problem:
+            #   CSV sniffer considers the following line as a CSV
+            #   line and will provide a dialect for it.
+            #
+            #   line: {"field0":"foo", ..., fieldX:"baz"}
+            #
+            #   This is clearly a JSON formatted line.
+            # Solution:
+            #    If the line looks like a JSON, then consider the
+            #    file not a CSV file
+            def is_json_key_value_format(value):
+                values = value.split(':', 2)
+                return len(values) > 1
+
+            # Skip header
+            _ = next(self.reader)
+            # Read first line
+            row = next(self.reader)
+            keys = [k for k in row.keys() if k is not None]
+            if all(map(is_json_key_value_format, keys)):
+                return False
         except (csv.Error, UnicodeDecodeError):
             return False
         return True