diff --git a/my_mod/tlm_buffer.py b/my_mod/tlm_buffer.py
index a043d81..653724b 100644
--- a/my_mod/tlm_buffer.py
+++ b/my_mod/tlm_buffer.py
@@ -317,7 +317,9 @@ def GenerateTlmBuffer(settings, other_obc_dbs):
         body_c += "{{\n"
         body_c += "  const CommonTlmPacket* buffered_packet;\n"
         body_c += "\n"
-        body_c += "  if (tlm_id >= {_obc_name_upper}_MAX_TLM_NUM) return TF_TLM_FUNC_ACK_NOT_DEFINED;\n"
+        body_c += (
+            "  if (tlm_id >= {_obc_name_upper}_MAX_TLM_NUM) return TF_TLM_FUNC_ACK_NOT_DEFINED;\n"
+        )
         body_c += (
             "  if ("
             + driver_name
diff --git a/my_mod/tlm_def.py b/my_mod/tlm_def.py
index 5350f68..3c52255 100644
--- a/my_mod/tlm_def.py
+++ b/my_mod/tlm_def.py
@@ -18,7 +18,11 @@ def GenerateTlmDef(settings, tlm_db, other_obc_dbs):
     # "static TF_TLM_FUNC_ACK OBC_(uint8_t* packet, uint16_t* len, uint16_t max_len);"
     # "  OBC_ID = 0x00,"
     for tlm in tlm_db:
-        body_c += "static TF_TLM_FUNC_ACK Tlm_" + tlm["tlm_name"].upper() + "_(uint8_t* packet, uint16_t* len, uint16_t max_len);\n"
+        body_c += (
+            "static TF_TLM_FUNC_ACK Tlm_"
+            + tlm["tlm_name"].upper()
+            + "_(uint8_t* packet, uint16_t* len, uint16_t max_len);\n"
+        )
         body_h += "  Tlm_CODE_" + tlm["tlm_name"].upper() + " = " + tlm["tlm_id"] + ",\n"
 
     if settings["is_main_obc"]:
@@ -95,7 +99,11 @@ def GenerateTlmDef(settings, tlm_db, other_obc_dbs):
             func_code += "(&packet[" + str(pos) + "], " + code + ");\n"
 
         body_c += "\n"
-        body_c += "static TF_TLM_FUNC_ACK Tlm_" + tlm["tlm_name"].upper() + "_(uint8_t* packet, uint16_t* len, uint16_t max_len)\n"
+        body_c += (
+            "static TF_TLM_FUNC_ACK Tlm_"
+            + tlm["tlm_name"].upper()
+            + "_(uint8_t* packet, uint16_t* len, uint16_t max_len)\n"
+        )
         body_c += "{\n"
         for local_var in tlm["local_vars"]:
             body_c += "  " + local_var + "\n"
@@ -134,7 +142,9 @@ def GetTlmDefCOfOtherObcFunDef_(settings, tlm_db, other_obc_dbs):
         temp_c += "// {_obc_name_upper} TLM\n"
         for tlm in oter_obc_tlm_db:
             temp_c += (
-                "static TF_TLM_FUNC_ACK Tlm_" + tlm["tlm_name"].upper() + "_(uint8_t* packet, uint16_t* len, uint16_t max_len);\n"
+                "static TF_TLM_FUNC_ACK Tlm_"
+                + tlm["tlm_name"].upper()
+                + "_(uint8_t* packet, uint16_t* len, uint16_t max_len);\n"
             )
 
         body_c += temp_c.format(
@@ -193,7 +203,11 @@ def GetTlmDefCOfOtherObcFunBody_(settings, tlm_db, other_obc_dbs):
             tlm_name_upper = tlm_name.upper()
             # tlm_name_lower = tlm_name.lower()
             temp_c += "\n"
-            temp_c += "static TF_TLM_FUNC_ACK Tlm_" + tlm_name_upper + "_(uint8_t* packet, uint16_t* len, uint16_t max_len)\n"
+            temp_c += (
+                "static TF_TLM_FUNC_ACK Tlm_"
+                + tlm_name_upper
+                + "_(uint8_t* packet, uint16_t* len, uint16_t max_len)\n"
+            )
             temp_c += "{{\n"
             temp_c += (
                 "  return {_obc_name_upper}_pick_up_tlm_buffer("