On CSV sniffing error use extension for delimiter

Author: treyhunner

src/rich_cli/__main__.py

@@ -719,8 +719,15 @@ def render_csv(
     try:
         dialect = sniffer.sniff(csv_data[:1024], delimiters=",\t|;")
         has_header = sniffer.has_header(csv_data[:1024])
-    except Exception as error:
-        on_error(str(error))
+    except csv.Error as error:
+        if resource.endswith(".csv"):
+            dialect = csv.get_dialect("excel")
+            has_header = True
+        elif resource.endswith(".tsv"):
+            dialect = csv.get_dialect("excel-tab")
+            has_header = True
+        else:
+            on_error(str(error))
 
     csv_file = io.StringIO(csv_data)
     reader = csv.reader(csv_file, dialect=dialect)