Add doctest support

src/utilities/external/pylatexenc/latexencode/__init__.py

@@ -30,7 +30,6 @@ convert a unicode string to LaTeX escape sequences.
 For basic usage you can use the :py:func:`unicode_to_latex()` function
 directly::
 
-  >>> from pylatexenc.latexencode import unicode_to_latex
   >>> print(unicode_to_latex('À votre santé'))
   \`A votre sant\'e
   >>> print(unicode_to_latex('The length of samples #3 & #4 is 3μm'))
@@ -41,21 +40,16 @@ you are converting multiple strings, you may create an instance with the flags
 you like and invoke its method
 :py:meth:`~UnicodeToLatexEncoder.unicode_to_latex()` as many times as necessary::
 
-  >>> from pylatexenc.latexencode import UnicodeToLatexEncoder
   >>> u = UnicodeToLatexEncoder(unknown_char_policy='replace')
   >>> print(u.unicode_to_latex('À votre santé'))
   \`A votre sant\'e
   >>> print(u.unicode_to_latex('The length of samples #3 & #4 is 3μm'))
   The length of samples \#3 \& \#4 is 3\ensuremath{\mu}m
   >>> print(u.unicode_to_latex('À votre santé: 乾杯'))
-  No known latex representation for character: U+4E7E - ‘乾’
-  No known latex representation for character: U+676F - ‘杯’
   \`A votre sant\'e: {\bfseries ?}{\bfseries ?}
 
 Example using custom conversion rules::
-
-  >>> from pylatexenc.latexencode import UnicodeToLatexEncoder, \
-  ...     UnicodeToLatexConversionRule, RULE_REGEX
+  >>> import re
   >>> u = UnicodeToLatexEncoder(
   ...     conversion_rules=[
   ...         UnicodeToLatexConversionRule(rule_type=RULE_REGEX, rule=[

src/utilities/external/pylatexenc/latexwalker/__init__.py

@@ -34,7 +34,6 @@ database searches of LaTeX content.)
 
 Simple example usage::
 
-    >>> from pylatexenc.latexwalker import LatexWalker, LatexEnvironmentNode
     >>> w = LatexWalker(r"""
     ... \textbf{Hi there!} Here is \emph{a list}:
     ... \begin{enumerate}[label=(i)]
@@ -45,12 +44,9 @@ Simple example usage::
     ... """)
     >>> (nodelist, pos, len_) = w.get_latex_nodes(pos=0)
     >>> nodelist[0]
-    LatexCharsNode(pos=0, len=1, chars='\n')
+    LatexCharsNode(parsing_state=..., pos=0, len=1, chars='\n')
     >>> nodelist[1]
-    LatexMacroNode(pos=1, len=18, macroname='textbf',
-    nodeargd=ParsedMacroArgs(argnlist=[LatexGroupNode(pos=8, len=11,
-    nodelist=[LatexCharsNode(pos=9, len=9, chars='Hi there!')],
-    delimiters=('{', '}'))], argspec='{'), macro_post_space='')
+    LatexMacroNode(parsing_state=..., pos=1, len=18, macroname='textbf', nodeargd=ParsedMacroArgs(argspec='{', argnlist=[LatexGroupNode(parsing_state=..., pos=8, len=11, nodelist=[LatexCharsNode(parsing_state=..., pos=9, len=9, chars='Hi there!')], delimiters=('{', '}'))]), macro_post_space='')
     >>> nodelist[5].isNodeType(LatexEnvironmentNode)
     True
     >>> nodelist[5].environmentname
@@ -58,8 +54,7 @@ Simple example usage::
     >>> nodelist[5].nodeargd.argspec
     '['
     >>> nodelist[5].nodeargd.argnlist
-    [LatexGroupNode(pos=60, len=11, nodelist=[LatexCharsNode(pos=61, len=9,
-    chars='label=(i)')], delimiters=('[', ']'))]
+    [LatexGroupNode(parsing_state=..., pos=60, len=11, nodelist=[LatexCharsNode(parsing_state=..., pos=61, len=9, chars='label=(i)')], delimiters=('[', ']'))]
     >>> nodelist[7].latex_verbatim()
     '$x$'
 

src/utilities/unique.py

@@ -14,7 +14,7 @@ def unique(
         >>> unique([{'a': 1, 'b': 2}, {'a': 1, 'b': 3}], key=lambda v: v['a'])
         [{'a': 1, 'b': 2}]
         >>> unique([{'a': 1, 'b': 2}, {'a': 1, 'b': 3}], key=lambda v: v['b'])
-        [{'a': 1, 'b': 3}, {'a': 1, 'b': 3}]
+        [{'a': 1, 'b': 2}, {'a': 1, 'b': 3}]
     """
 
     key_values = {}