Use .copy() on character_translations before modifying

powerline/renderers/bash_prompt.py

@@ -10,7 +10,7 @@ class BashPromptRenderer(ShellRenderer):
 	escape_hl_start = '\['
 	escape_hl_end = '\]'
 
-	character_translations = ShellRenderer.character_translations
+	character_translations = ShellRenderer.character_translations.copy()
 	character_translations[ord('$')] = '\\$'
 	character_translations[ord('`')] = '\\`'
 

powerline/renderers/shell.py

@@ -21,7 +21,7 @@ class ShellRenderer(Renderer):
 	tmux_escape = False
 	screen_escape = False
 
-	character_translations = Renderer.character_translations
+	character_translations = Renderer.character_translations.copy()
 	character_translations[ord('\\')] = '\\\\'
 
 	def hlstyle(self, fg=None, bg=None, attr=None):

powerline/renderers/tmux.py

@@ -9,7 +9,7 @@ from powerline.colorscheme import ATTR_BOLD, ATTR_ITALIC, ATTR_UNDERLINE
 class TmuxRenderer(Renderer):
 	'''Powerline tmux segment renderer.'''
 
-	character_translations = Renderer.character_translations
+	character_translations = Renderer.character_translations.copy()
 	character_translations[ord('#')] = '##[]'
 
 	def hlstyle(self, fg=None, bg=None, attr=None):

powerline/renderers/vim.py

@@ -27,7 +27,7 @@ mode_translations = {
 class VimRenderer(Renderer):
 	'''Powerline vim segment renderer.'''
 
-	character_translations = Renderer.character_translations
+	character_translations = Renderer.character_translations.copy()
 	character_translations[ord('%')] = '%%'
 
 	def __init__(self, *args, **kwargs):

powerline/renderers/zsh_prompt.py

@@ -10,7 +10,7 @@ class ZshPromptRenderer(ShellRenderer):
 	escape_hl_start = '%{'
 	escape_hl_end = '%}'
 
-	character_translations = ShellRenderer.character_translations
+	character_translations = ShellRenderer.character_translations.copy()
 	character_translations[ord('%')] = '%%'