fix: glob files

src/cophi/api.py

@@ -57,7 +57,8 @@ def corpus(directory, filepath_pattern="*", treat_as=None, encoding="utf-8",
 
     def lazy_reading(filepaths):
         for filepath in filepaths:
-            yield cophi.model.Textfile(filepath, treat_as, encoding)
+            if filepath.is_file():
+                yield cophi.model.Textfile(filepath, treat_as, encoding)
 
     metadata = cophi.model.Metadata()
     documents = pd.Series()

src/cophi/model.py

@@ -47,7 +47,7 @@ def __init__(self, filepath, treat_as=None, encoding="utf-8"):
         self.suffix = self.filepath.suffix
         self.parent = str(self.filepath.parent)
         self.encoding = encoding
-        if treat_as and treat_as not in {".txt", ".xml"}:
+        if treat_as is not None and treat_as not in {".txt", ".xml"}:
             raise ValueError("The file format '{}' is not supported. "
                              "Try '.txt', or '.xml'.".format(treat_as))
         else:
@@ -363,7 +363,7 @@ def count_corpus(documents):
         counts = count_corpus(self.documents)
         logger.info("Constructing document-term matrix...")
         self.dtm = matrix(counts)
-        self.dtm = self.dtm.T.astype(int)
+        self.dtm = self.dtm.T
 
     @staticmethod
     def map_metadata(data, metadata, uuid="uuid", fields=["title"], sep="_"):