diff --git a/l10n_mx_res_partner_csf_regime/__manifest__.py b/l10n_mx_res_partner_csf_regime/__manifest__.py
index 9b43fd9d2..586e03c45 100644
--- a/l10n_mx_res_partner_csf_regime/__manifest__.py
+++ b/l10n_mx_res_partner_csf_regime/__manifest__.py
@@ -14,7 +14,7 @@
         "l10n_mx_res_partner_csf",
     ],
     "external_dependencies": {
-        "python": ["pdfminer", "pdfminer.six==20220319"],
+        "python": ["pdfminer.six==20220319"],
     },
     "application": False,
     "maintainers": ["ursais"],
diff --git a/l10n_mx_res_partner_csf_regime/wizard/import_csf.py b/l10n_mx_res_partner_csf_regime/wizard/import_csf.py
index 96f1121c7..c8d0e6f15 100644
--- a/l10n_mx_res_partner_csf_regime/wizard/import_csf.py
+++ b/l10n_mx_res_partner_csf_regime/wizard/import_csf.py
@@ -1,14 +1,5 @@
-import logging
-
 from odoo import models
 
-_logger = logging.getLogger(__name__)
-
-try:
-    pass
-except ImportError as err:
-    _logger.debug(err)
-
 FISCAL_REGIMES_MAPPING = {
     "Régimen General de Ley Personas Morales": "601",
     "Régimen de Sueldos y Salarios e Ingresos Asimilados a Salarios": "605",
@@ -36,8 +27,9 @@ def prepare_res_partner_values(self, text):
                 if fiscal_regime == "Régimen":
                     fiscal_regime = split_data[index + 3].strip()
                 fiscal_regime = FISCAL_REGIMES_MAPPING[fiscal_regime]
-        return vals.update(
+        vals.update(
             {
                 "l10n_mx_edi_fiscal_regime": fiscal_regime,
             }
         )
+        return vals
diff --git a/requirements.txt b/requirements.txt
index d2a14183d..95a6776bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
 # generated from manifests external_dependencies
-pdfminer
 pdfminer.six==20220319