fix weird error on windows? possibly just with p4e? trapping if we read 0 lines from history file

pyfpdb/fpdb_import.py

@@ -178,10 +178,10 @@ class Importer:
 		self.pos_in_file[file] = inputFile.tell()
 		inputFile.close()
 
-		try:
+		try: # sometimes we seem to be getting an empty self.lines, in which case, we just want to return.
 			firstline = self.lines[0]
 		except:
-			print "import_fpdb_file", file, site, lines
+#			print "import_fpdb_file", file, site, self.lines, "\n"
 			return
 
 		if firstline.find("Tournament Summary")!=-1: