fix prints

installations/forms.py

@@ -66,12 +66,11 @@ class InstallationReportForm(forms.ModelForm):
                 'class': 'form-select'
             }, choices=[
                 ('', 'انتخاب کنید'),
-                ('A', 'A'),
-                ('B', 'B')
+                ('direct', 'مستقیم'),
+                ('indirect', 'غیرمستقیم')
             ]),
             'discharge_pipe_diameter': forms.NumberInput(attrs={
                 'class': 'form-control',
-                'min': '0',
                 'required': True
             }),
             'usage_type': forms.Select(attrs={
@@ -89,7 +88,6 @@ class InstallationReportForm(forms.ModelForm):
             }),
             'motor_power': forms.NumberInput(attrs={
                 'class': 'form-control',
-                'min': '0',
                 'required': True
             }),
             'pre_calibration_flow_rate': forms.NumberInput(attrs={