fix(csvutils): drop sniffer code

This seems to break certain CSVs, which the default excel dialect can handle fine

Signed-off-by: Akhil Narang <me@akhilnarang.dev>

frappe/utils/csvutils.py

@@ -2,7 +2,6 @@
 # License: MIT. See LICENSE
 import csv
 import json
-from csv import Sniffer
 from io import StringIO
 
 import requests
@@ -58,28 +57,9 @@ def read_csv_content(fcontent):
 	fcontent = fcontent.encode("utf-8")
 	content = [frappe.safe_decode(line) for line in fcontent.splitlines(True)]
 
-	sniffer = Sniffer()
-	# Don't need to use whole csv, if more than 20 rows, use just first 20
-	sample_content = content[:20] if len(content) > 20 else content
-	# only testing for most common delimiter types, this later can be extended
-	# init default dialect, to avoid lint errors
-	dialect = csv.get_dialect("excel")
-	try:
-		# csv by default uses excel dialect, which is not always correct
-		dialect = sniffer.sniff(sample="\n".join(sample_content), delimiters=frappe.flags.delimiter_options)
-	except csv.Error:
-		# if sniff fails, show alert on user interface. Fall back to use default dialect (excel)
-		frappe.msgprint(
-			_(
-				"Delimiter detection failed. Try to enable custom delimiters and adjust the delimiter options as per your data."
-			),
-			indicator="orange",
-			alert=True,
-		)
-
 	try:
 		rows = []
-		for row in csv.reader(content, dialect=dialect):
+		for row in csv.reader(content):
 			r = []
 			for val in row:
 				# decode everything