diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index fe3ed16..93546c3 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -24,7 +24,6 @@
 from erpnext.accounts.doctype.tax_withholding_category.tax_withholding_category import get_party_tax_withholding_details
 from frappe.model.utils import get_fetch_values
 from frappe.contacts.doctype.address.address import get_address_display
-from erpnext.accounts.doctype.tax_withholding_category.tax_withholding_category import get_party_tax_withholding_details
 
 from erpnext.healthcare.utils import manage_invoice_submit_cancel
 
diff --git a/erpnext/agriculture/doctype/disease/disease.py b/erpnext/agriculture/doctype/disease/disease.py
index affa570..8e6ceb4 100644
--- a/erpnext/agriculture/doctype/disease/disease.py
+++ b/erpnext/agriculture/doctype/disease/disease.py
@@ -6,7 +6,6 @@
 import frappe
 from frappe import _
 from frappe.model.document import Document
-from frappe import _
 
 class Disease(Document):
 	def validate(self):
diff --git a/erpnext/agriculture/doctype/soil_texture/soil_texture.py b/erpnext/agriculture/doctype/soil_texture/soil_texture.py
index 209b2c8..d7a5f09 100644
--- a/erpnext/agriculture/doctype/soil_texture/soil_texture.py
+++ b/erpnext/agriculture/doctype/soil_texture/soil_texture.py
@@ -7,7 +7,6 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import flt, cint
-from frappe import _
 
 class SoilTexture(Document):
 	soil_edit_order = [2, 1, 0]
diff --git a/erpnext/agriculture/doctype/water_analysis/water_analysis.py b/erpnext/agriculture/doctype/water_analysis/water_analysis.py
index cb2691d..ece0700 100644
--- a/erpnext/agriculture/doctype/water_analysis/water_analysis.py
+++ b/erpnext/agriculture/doctype/water_analysis/water_analysis.py
@@ -6,7 +6,6 @@
 import frappe
 from frappe import _
 from frappe.model.document import Document
-from frappe import _
 
 class WaterAnalysis(Document):
 	@frappe.whitelist()
diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index b292109..f1bf31a 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -11,7 +11,7 @@
 from erpnext.assets.doctype.asset_category.asset_category import get_asset_category_account
 from erpnext.assets.doctype.asset.depreciation \
 	import get_disposal_account_and_cost_center, get_depreciation_accounts
-from erpnext.accounts.general_ledger import make_gl_entries, make_reverse_gl_entries
+from erpnext.accounts.general_ledger import make_reverse_gl_entries
 from erpnext.accounts.utils import get_account_currency
 from erpnext.controllers.accounts_controller import AccountsController
 
diff --git a/erpnext/healthcare/doctype/patient_encounter/patient_encounter.py b/erpnext/healthcare/doctype/patient_encounter/patient_encounter.py
index 7a745ae..c935274 100644
--- a/erpnext/healthcare/doctype/patient_encounter/patient_encounter.py
+++ b/erpnext/healthcare/doctype/patient_encounter/patient_encounter.py
@@ -7,7 +7,6 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import cstr, getdate, add_days
-from frappe import _
 from frappe.model.mapper import get_mapped_doc
 
 
diff --git a/erpnext/hr/doctype/leave_period/leave_period.py b/erpnext/hr/doctype/leave_period/leave_period.py
index 28a33f6..86dccfc 100644
--- a/erpnext/hr/doctype/leave_period/leave_period.py
+++ b/erpnext/hr/doctype/leave_period/leave_period.py
@@ -5,7 +5,7 @@
 from __future__ import unicode_literals
 import frappe
 from frappe import _
-from frappe.utils import getdate, cstr, add_days, date_diff, getdate, ceil
+from frappe.utils import getdate, cstr, add_days, date_diff, ceil
 from frappe.model.document import Document
 from erpnext.hr.utils import validate_overlap
 from frappe.utils.background_jobs import enqueue
diff --git a/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py b/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
index d75213c..b5b3048 100644
--- a/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
+++ b/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
@@ -7,7 +7,7 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import (nowdate, getdate, now_datetime, get_datetime, flt, date_diff, get_last_day, cint,
-	get_first_day, get_datetime, add_days)
+	get_first_day, add_days)
 from erpnext.controllers.accounts_controller import AccountsController
 from erpnext.accounts.general_ledger import make_gl_entries
 
diff --git a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
index b67b4c4..6c74a9b 100644
--- a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
+++ b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
@@ -6,10 +6,9 @@
 import frappe, erpnext
 import json
 from frappe import _
-from frappe.utils import flt, getdate, cint
 from six import iteritems
 from frappe.model.document import Document
-from frappe.utils import date_diff, add_days, getdate, add_months, get_first_day, get_datetime
+from frappe.utils import flt, cint, date_diff, add_days, getdate, add_months, get_first_day, get_datetime
 from erpnext.controllers.accounts_controller import AccountsController
 from erpnext.accounts.general_ledger import make_gl_entries
 from erpnext.loan_management.doctype.loan_security_shortfall.loan_security_shortfall import update_shortfall_status
diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.py b/erpnext/selling/page/point_of_sale/point_of_sale.py
index 03c46bb..8c652c9 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.py
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.py
@@ -2,7 +2,8 @@
 # License: GNU General Public License v3. See license.txt
 
 from __future__ import unicode_literals
-import frappe, json
+import json
+import frappe
 from frappe.utils.nestedset import get_root_of
 from frappe.utils import cint
 from erpnext.accounts.doctype.pos_profile.pos_profile import get_item_groups
@@ -209,7 +210,6 @@
 
 @frappe.whitelist()
 def create_opening_voucher(pos_profile, company, balance_details):
-	import json
 	balance_details = json.loads(balance_details)
 
 	new_pos_opening = frappe.get_doc({
diff --git a/erpnext/support/doctype/service_level_agreement/service_level_agreement.py b/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
index 8c1c1ef..b1d77ce 100644
--- a/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
+++ b/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
@@ -13,7 +13,6 @@
 from datetime import datetime
 from frappe.utils.safe_exec import get_safe_globals
 from erpnext.support.doctype.issue.issue import get_holidays
-from frappe.utils.safe_exec import get_safe_globals
 
 class ServiceLevelAgreement(Document):
 	def validate(self):