diff --git a/main.py b/main.py
index f3b4669..c5f12c4 100644
--- a/main.py
+++ b/main.py
@@ -277,7 +277,7 @@ def addDolgnostGui():
 
     window.mainloop()
 
-def addPrintSettingsGui():
+def addPrintSettingsGui() -> None:
     window = Tk()
     window.geometry("800x600")
 
@@ -405,7 +405,7 @@ def addPrintSettingsGui():
     prDataFrame['columns'] = table_columns
 
     for col in table_columns:
-        prDataFrame.column(col, width=100)
+        prDataFrfrom sqlalchemy import create_engineame.column(col, width=100)
     
     for col in table_headers:
         prDataFrame.heading(col,text=value)
diff --git a/models.py b/models.py
index 1e2a1c4..4115c72 100644
--- a/models.py
+++ b/models.py
@@ -1,9 +1,14 @@
-from sqlalchemy import Column, Integer, String, create_engine, ForeignKey, DateTime, Boolean
+"""
+module docstring
+"""
+
+
+from sqlalchemy import Column, Integer, String, create_engine, ForeignKey, DateTime, Boolean,Float
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker, aliased, Query, relationship
 from sqlalchemy.sql import func
 from sqlalchemy.orm import registry
-from sqlalchemy import create_engine
+
 
 
 mapper_registry = registry()
@@ -11,6 +16,11 @@ engine = create_engine('sqlite:///dipl.db', echo=True)
 Base = mapper_registry.generate_base()
 Session = sessionmaker(bind=engine)
 
+
+
+    
+
+
 class Mottherboard(Base):
     __tablename__ = "Motherboard"
     id = Column(Integer, primary_key=True)
@@ -18,8 +28,20 @@ class Mottherboard(Base):
     versia = Column(String)
     officialSite = Column(String)
     kolvoDraivers = Column(String)
-    
+
     printers = relationship('Printer', backref='Motherboard')
+    drv = relationship('MotorDruvers')    
+
+
+class MotorDruvers(Base):
+    __tablename__ ="MotorDruvers"
+    id = Column(Integer, primary_key=True)
+    nazvanie = Column(String)
+    versia = Column(String)
+    workTok = Column(Float)
+
+    mboardID = Column(Integer, ForeignKey(Mottherboard.id)) 
+   
 
 
 
@@ -33,7 +55,9 @@ class Printer(Base):
     minSpedPrint = Column(Integer)
 
     print_settings = relationship("PrintSettings",  backref="Printer")
-    mtboards = Column(Integer, ForeignKey(Mottherboard.id))
+    mboard_id = Column(Integer, ForeignKey(Mottherboard.id))
+
+
 
 
 class Plastic(Base):
@@ -66,6 +90,7 @@ class PrintSettings(Base):
     id_plastic = Column(Integer, ForeignKey(Plastic.id))
 
 
+
 class Dolgnost(Base):
     __tablename__ = "Dolgnost"
     id = Column(Integer, primary_key=True)