diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.py b/erpnext/accounts/doctype/payment_entry/payment_entry.py
index c0feb44..736048f 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.py
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.py
@@ -516,13 +516,13 @@
 			if self.payment_type == "Receive" \
 				and self.base_total_allocated_amount < self.base_received_amount_after_tax + total_deductions \
 				and self.total_allocated_amount < self.paid_amount_after_tax + (total_deductions / self.source_exchange_rate):
-					self.unallocated_amount = (self.received_amount_after_tax + total_deductions -
-						self.base_total_allocated_amount) / self.source_exchange_rate
+				self.unallocated_amount = (self.received_amount_after_tax + total_deductions -
+					self.base_total_allocated_amount) / self.source_exchange_rate
 			elif self.payment_type == "Pay" \
 				and self.base_total_allocated_amount < (self.base_paid_amount_after_tax - total_deductions) \
 				and self.total_allocated_amount < self.received_amount_after_tax + (total_deductions / self.target_exchange_rate):
-					self.unallocated_amount = (self.base_paid_amount_after_tax - (total_deductions +
-						self.base_total_allocated_amount)) / self.target_exchange_rate
+				self.unallocated_amount = (self.base_paid_amount_after_tax - (total_deductions +
+					self.base_total_allocated_amount)) / self.target_exchange_rate
 
 	def set_difference_amount(self):
 		base_unallocated_amount = flt(self.unallocated_amount) * (flt(self.source_exchange_rate)
@@ -719,8 +719,8 @@
 					"account": d.account_head,
 					"against": self.party if self.payment_type=="Receive" else self.paid_from,
 					dr_or_cr: d.base_tax_amount,
-					dr_or_cr + "_in_account_currency": d.base_tax_amount \
-						if account_currency==self.company_currency \
+					dr_or_cr + "_in_account_currency": d.base_tax_amount
+						if account_currency==self.company_currency
 						else d.tax_amount,
 					"cost_center": d.cost_center
 				}, account_currency, item=d))
@@ -730,8 +730,8 @@
 					"account": self.advance_tax_account,
 					"against": self.party if self.payment_type=="Receive" else self.paid_from,
 					rev_dr_cr: d.base_tax_amount,
-					rev_dr_cr + "_in_account_currency": d.base_tax_amount \
-						if account_currency==self.company_currency \
+					rev_dr_cr + "_in_account_currency": d.base_tax_amount
+						if account_currency==self.company_currency
 						else d.tax_amount,
 					"cost_center": d.cost_center or self.cost_center
 				}, account_currency, item=d))
@@ -806,7 +806,6 @@
 
 		for i, tax in enumerate(self.taxes):
 			tax_rate = tax.rate
-			current_tax_rate = 0.0
 
 			# To set row_id by default as previous row.
 			if tax.charge_type in ["On Previous Row Amount", "On Previous Row Total"]:
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 5d4796c..83c55cc 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -921,8 +921,8 @@
 							"account": tax.account_head,
 							"against": self.supplier,
 							dr_or_cr: unallocated_amount,
-							dr_or_cr + "_in_account_currency": unallocated_amount \
-								if account_currency==self.company_currency \
+							dr_or_cr + "_in_account_currency": unallocated_amount
+								if account_currency==self.company_currency
 								else unallocated_amount,
 							'cost_center': tax.cost_center
 						}, account_currency, item=tax))
@@ -932,8 +932,8 @@
 							"account": pe.advance_tax_account,
 							"against": self.supplier,
 							rev_dr_cr: unallocated_amount,
-							rev_dr_cr + "_in_account_currency": unallocated_amount \
-								if account_currency==self.company_currency \
+							rev_dr_cr + "_in_account_currency": unallocated_amount
+								if account_currency==self.company_currency
 								else unallocated_amount,
 							'cost_center': tax.cost_center or self.cost_center
 						}, account_currency, item=tax))
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 9af94fd..44b8325 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -933,8 +933,8 @@
 							"account": tax.account_head,
 							"against": self.customer,
 							dr_or_cr: unallocated_amount,
-							dr_or_cr + "_in_account_currency": unallocated_amount \
-								if account_currency==self.company_currency \
+							dr_or_cr + "_in_account_currency": unallocated_amount
+								if account_currency==self.company_currency
 								else unallocated_amount,
 							'cost_center': tax.cost_center
 						}, account_currency, item=tax))
@@ -944,8 +944,8 @@
 							"account": pe.advance_tax_account,
 							"against": self.customer,
 							rev_dr_cr: unallocated_amount,
-							rev_dr_cr + "_in_account_currency": unallocated_amount \
-								if account_currency==self.company_currency \
+							rev_dr_cr + "_in_account_currency": unallocated_amount
+								if account_currency==self.company_currency
 								else unallocated_amount,
 							'cost_center': tax.cost_center
 						}, account_currency, item=tax))
diff --git a/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py b/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
index 5101e3d..619d799 100644
--- a/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
+++ b/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
@@ -136,7 +136,7 @@
 	# create gle_map of the form
 	# {"purchase_invoice": list of dict of all gle created for this invoice}
 	gle_map = {}
-	filter_obj = {}
+
 	gle = frappe.db.get_all('GL Entry',
 		{
 			"voucher_no": ["in", documents],
@@ -242,7 +242,7 @@
 
 	if filters.get('purchase_invoice') or filters.get('purchase_order'):
 		parent = frappe.db.get_all('Payment Entry Reference',
-			{ 'reference_name': ('in', [d.get('name') for d in filters.get('invoices')])}, ['parent'])
+			{'reference_name': ('in', [d.get('name') for d in filters.get('invoices')])}, ['parent'])
 
 		filter_dict.update({'name': ('in', [d.get('parent') for d in parent])})
 
diff --git a/erpnext/public/js/controllers/accounts.js b/erpnext/public/js/controllers/accounts.js
index 23d6360..7b997a1 100644
--- a/erpnext/public/js/controllers/accounts.js
+++ b/erpnext/public/js/controllers/accounts.js
@@ -156,31 +156,31 @@
 	var d = locals[cdt][cdn];
 	var msg = "";
 
-	if(d.account_head && !d.description) {
+	if (d.account_head && !d.description) {
 		// set description from account head
 		d.description = d.account_head.split(' - ').slice(0, -1).join(' - ');
 	}
 
-	if(!d.charge_type && (d.row_id || d.rate || d.tax_amount)) {
+	if (!d.charge_type && (d.row_id || d.rate || d.tax_amount)) {
 		msg = __("Please select Charge Type first");
 		d.row_id = "";
 		d.rate = d.tax_amount = 0.0;
-	} else if((d.charge_type == 'Actual' || d.charge_type == 'On Net Total' || d.charge_type == 'On Paid Amount') && d.row_id) {
+	} else if ((d.charge_type == 'Actual' || d.charge_type == 'On Net Total' || d.charge_type == 'On Paid Amount') && d.row_id) {
 		msg = __("Can refer row only if the charge type is 'On Previous Row Amount' or 'Previous Row Total'");
 		d.row_id = "";
-	} else if((d.charge_type == 'On Previous Row Amount' || d.charge_type == 'On Previous Row Total') && d.row_id) {
+	} else if ((d.charge_type == 'On Previous Row Amount' || d.charge_type == 'On Previous Row Total') && d.row_id) {
 		if (d.idx == 1) {
 			msg = __("Cannot select charge type as 'On Previous Row Amount' or 'On Previous Row Total' for first row");
 			d.charge_type = '';
 		} else if (!d.row_id) {
 			msg = __("Please specify a valid Row ID for row {0} in table {1}", [d.idx, __(d.doctype)]);
 			d.row_id = "";
-		} else if(d.row_id && d.row_id >= d.idx) {
+		} else if (d.row_id && d.row_id >= d.idx) {
 			msg = __("Cannot refer row number greater than or equal to current row number for this Charge type");
 			d.row_id = "";
 		}
 	}
-	if(msg) {
+	if (msg) {
 		frappe.validated = false;
 		refresh_field("taxes");
 		frappe.throw(msg);
diff --git a/erpnext/public/js/payment/payments.js b/erpnext/public/js/payment/payments.js
index b168952..e2bd602 100644
--- a/erpnext/public/js/payment/payments.js
+++ b/erpnext/public/js/payment/payments.js
@@ -16,14 +16,14 @@
 		this.select_text()
 	},
 
-	select_text: function(){
+	select_text: function() {
 		var me = this;
-		$(this.$body).find('.form-control').click(function(){
+		$(this.$body).find('.form-control').click(function() {
 			$(this).select();
 		})
 	},
 
-	set_payment_primary_action: function(){
+	set_payment_primary_action: function() {
 		var me = this;
 
 		this.dialog.set_primary_action(__("Submit"), function() {
@@ -38,7 +38,7 @@
 		})
 	},
 
-	make_keyboard: function(){
+	make_keyboard: function() {
 		var me = this;
 		$(this.$body).empty();
 		$(this.$body).html(frappe.render_template('pos_payment', this.frm.doc))
@@ -47,10 +47,10 @@
 		this.clear_amount()
 	},
 
-	make_multimode_payment: function(){
+	make_multimode_payment: function() {
 		var me = this;
 
-		if(this.frm.doc.change_amount > 0){
+		if(this.frm.doc.change_amount > 0) {
 			me.payment_val = me.doc.outstanding_amount
 		}
 
@@ -59,7 +59,7 @@
 		this.payments.amount = flt(this.payment_val);
 	},
 
-	show_payment_details: function(){
+	show_payment_details: function() {
 		var me = this;
 		var multimode_payments = $(this.$body).find('.multimode-payments').empty();
 		if(this.frm.doc.payments.length){
@@ -84,7 +84,7 @@
 		}
 	},
 
-	set_outstanding_amount: function(){
+	set_outstanding_amount: function() {
 		this.selected_mode = $(this.$body).find(repl("input[idx='%(idx)s']",{'idx': this.idx}));
 		this.highlight_selected_row()
 		this.payment_val = 0.0
@@ -101,45 +101,45 @@
 		this.bind_amount_change_event();
 	},
 
-	bind_keyboard_event: function(){
+	bind_keyboard_event: function() {
 		var me = this;
 		this.payment_val = '';
 		this.bind_form_control_event();
 		this.bind_numeric_keys_event();
 	},
 
-	bind_form_control_event: function(){
+	bind_form_control_event: function() {
 		var me = this;
-		$(this.$body).find('.pos-payment-row').click(function(){
+		$(this.$body).find('.pos-payment-row').click(function() {
 			me.idx = $(this).attr("idx");
 			me.set_outstanding_amount()
-		})
+		});
 
-		$(this.$body).find('.form-control').click(function(){
+		$(this.$body).find('.form-control').click(function() {
 			me.idx = $(this).attr("idx");
 			me.set_outstanding_amount();
 			me.update_paid_amount(true);
-		})
+		});
 
-		$(this.$body).find('.write_off_amount').change(function(){
+		$(this.$body).find('.write_off_amount').change(function() {
 			me.write_off_amount(flt($(this).val()), precision("write_off_amount"));
-		})
+		});
 
-		$(this.$body).find('.change_amount').change(function(){
+		$(this.$body).find('.change_amount').change(function() {
 			me.change_amount(flt($(this).val()), precision("change_amount"));
-		})
+		});
 	},
 
-	highlight_selected_row: function(){
+	highlight_selected_row: function() {
 		var me = this;
-		var selected_row = $(this.$body).find(repl(".pos-payment-row[idx='%(idx)s']",{'idx': this.idx}));
+		var selected_row = $(this.$body).find(repl(".pos-payment-row[idx='%(idx)s']", {'idx': this.idx}));
 		$(this.$body).find('.pos-payment-row').removeClass('selected-payment-mode')
 		selected_row.addClass('selected-payment-mode')
 		$(this.$body).find('.amount').attr('disabled', true);
 		this.selected_mode.attr('disabled', false);
 	},
 
-	bind_numeric_keys_event: function(){
+	bind_numeric_keys_event: function() {
 		var me = this;
 		$(this.$body).find('.pos-keyboard-key').click(function(){
 			me.payment_val += $(this).text();
@@ -148,7 +148,7 @@
 			me.update_paid_amount()
 		})
 
-		$(this.$body).find('.delete-btn').click(function(){
+		$(this.$body).find('.delete-btn').click(function() {
 			me.payment_val =  cstr(flt(me.selected_mode.val())).slice(0, -1);
 			me.selected_mode.val(format_currency(me.payment_val, me.frm.doc.currency));
 			me.idx = me.selected_mode.attr("idx")
@@ -157,9 +157,9 @@
 
 	},
 
-	bind_amount_change_event: function(){
+	bind_amount_change_event: function() {
 		var me = this;
-		this.selected_mode.change(function(){
+		this.selected_mode.change(function() {
 			me.payment_val =  flt($(this).val()) || 0.0;
 			me.selected_mode.val(format_currency(me.payment_val, me.frm.doc.currency))
 			me.idx = me.selected_mode.attr("idx")
@@ -169,7 +169,7 @@
 
 	clear_amount: function() {
 		var me = this;
-		$(this.$body).find('.clr').click(function(e){
+		$(this.$body).find('.clr').click(function(e) {
 			e.stopPropagation();
 			me.idx = $(this).attr("idx");
 			me.selected_mode = $(me.$body).find(repl("input[idx='%(idx)s']",{'idx': me.idx}));
@@ -215,10 +215,10 @@
 		}
 	},
 
-	update_payment_amount: function(){
+	update_payment_amount: function() {
 		var me = this;
 
-		$.each(this.frm.doc.payments, function(index, data){
+		$.each(this.frm.doc.payments, function(index, data) {
 			if(cint(me.idx) == cint(data.idx)){
 				data.amount = flt(me.selected_mode.val(), 2)
 			}
@@ -228,7 +228,7 @@
 		this.show_amounts();
 	},
 
-	show_amounts: function(){
+	show_amounts: function() {
 		var me = this;
 		$(this.$body).find(".write_off_amount").val(format_currency(this.frm.doc.write_off_amount, this.frm.doc.currency));
 		$(this.$body).find('.paid_amount').text(format_currency(this.frm.doc.paid_amount, this.frm.doc.currency));