[FIX] amount from ROP

wizard/ebics_statement_rop_import_wizard.py

@@ -178,9 +178,15 @@ class EbicsStatementRopImport(models.TransientModel):
         rop_lines = []
         content = base64.b64decode(data).decode("utf-8").split("\n")
         for line in content:
-            if line[0:2] in ("11", "12", "21", "22"):
-                sens = 87 if line[0:2] in ("11", "21") else 86
-                amount = int(line[75:87]) / 100
+            if line[0:2] in ("11", "21"):
+                multiplier = 1 if line[87] == "C" else -1
+                amount = int(line[75:87]) * multiplier / 100
+            elif line[0:2] in ("12", "22"):
+                multiplier = 1 if line[86] == "C" else -1
+                amount = int(line[75:86]) * multiplier / 100
+            else:
+                continue
+
             rop_lines.append(
                 {
                     "date": datetime.strptime(line[177:185], "%Y%m%d").date(),
@@ -189,7 +195,7 @@ class EbicsStatementRopImport(models.TransientModel):
                     + line[138:158].rstrip()
                     + " - "
                     + line[104:128].rstrip(),
-                        "amount": amount if line[sens] == "C" else -amount,
+                    "amount": amount,
                 }
             )
         return rop_lines