Small fixes.

packages/markitdown/pyproject.toml

@@ -38,6 +38,7 @@ all = [
   "pandas",
   "openpyxl",
   "xlrd",
+  "lxml",
   "pdfminer.six",
   "olefile",
   "pydub",

packages/markitdown/src/markitdown/converter_utils/docx/math/latex_dict.py

@@ -258,7 +258,7 @@ RAD = "\\sqrt[{deg}]{{{text}}}"
 
 RAD_DEFAULT = "\\sqrt{{{text}}}"
 
-ARR = "\\begin{{array}}{{c}}{text}\end{{array}}"
+ARR = "\\begin{{array}}{{c}}{text}\\end{{array}}"
 
 LIM_FUNC = {
     "lim": "\\lim_{{{lim}}}",
@@ -270,4 +270,4 @@ LIM_TO = ("\\rightarrow", "\\to")
 
 LIM_UPP = "\\overset{{{lim}}}{{{text}}}"
 
-M = "\\begin{{matrix}}{text}\end{{matrix}}"
+M = "\\begin{{matrix}}{text}\\end{{matrix}}"

packages/markitdown/src/markitdown/converter_utils/docx/math/omml.py

@@ -73,7 +73,6 @@ def get_val(key, default=None, store=CHR):
 
 
 class Tag2Method(object):
-
     def call_method(self, elm, stag=None):
         getmethod = self.tag2meth.get
         if stag is None:
@@ -126,7 +125,6 @@ class Tag2Method(object):
 
 
 class Pr(Tag2Method):
-
     text = ""
 
     __val_tags = ("chr", "pos", "begChr", "endChr", "type")
@@ -341,7 +339,7 @@ class oMath2Latex(Tag2Method):
         """
         rows = []
         for stag, t, e in self.process_children_list(elm):
-            if stag is "mPr":
+            if stag == "mPr":
                 pass
             elif stag == "mr":
                 rows.append(t)