[FIX] CSV parser regression

gargantext/util/parsers/CSV.py

@@ -16,7 +16,8 @@ class CSVParser(Parser):
 
     def parse(self, fp=None):
         fp = fp or self._file
-        df = pandas.read_csv(fp, dtype=object, skip_blank_lines=True)
+        df = pandas.read_csv(fp, dtype=object, skip_blank_lines=True, sep=None,
+                                 na_values=[], keep_default_na=False)
 
         # Return a generator of dictionaries with column labels as keys,
         # filtering out empty rows

install/gargamelle/requirements.txt

@@ -28,7 +28,7 @@ RandomWords==0.1.12
 ujson==1.35
 umalqurra==0.2                 # arabic calendars (?? why use ??)
 networkx==1.11
-pandas==0.18.0
+pandas==0.21.0
 six==1.10.0
 lxml==3.5.0
 requests-futures==0.9.7